| Could not resolve peer dependency "${name}" relative to your | exception | error | dependency-resolution, adapter-auto, node-modules |
| Could not find valid "${subpackage}" export in ${name}/packa | exception | error | package-exports, adapter-auto, dependency-resolution |
| Could not install ${match.module}. Please install it yoursel | exception | error | auto-install, adapter-auto, package-manager, ci |
| ${message}. Since you're using @sveltejs/adapter-auto, Svelt | exception | error | adapter-auto, unsupported-feature, build |
| Cannot build with ${JSON.stringify(file)} because Bun treats | validation | error | bun, routing, adapter-bun |
| Cannot build with ${JSON.stringify(file)} because Bun treats | validation | error | bun, routing, adapter-bun |
| adapter-bun requires running the SvelteKit build with Bun. U | exception | error | bun, runtime, adapter-bun, build |
| ${log.message ?? String(log)} | exception | error | bun, build, aggregate-error, adapter-bun |
| Could not find prerendered page ${file} for route ${path} | exception | error | prerender, adapter-bun, build-artifacts |
| Could not find server asset ${file} | exception | error | server-assets, adapter-bun, build-artifacts |
| You should change envPrefix (${env_prefix}) to avoid conflic | exception | error | environment, configuration, adapter-bun |
| Invalid value for environment variable ${env_prefix + name}: | exception | error | environment, validation, adapter-bun |
| The ${protocol_header} header specified ${protocol} which is | http | error | http-headers, proxy, adapter-bun |
| Could not determine host from the ${host_header ? `${host_he | http | error | http-headers, proxy, adapter-bun |
| The ${port_header} header specified ${port} which is an inva | http | error | http-headers, proxy, adapter-bun |
| Address header was specified with ${env_prefix}ADDRESS_HEADE | http | error | http-headers, proxy, adapter-bun, client-ip |
| ${env_prefix}XFF_DEPTH is ${xff_depth}, but only found ${add | http | error | http-headers, proxy, adapter-bun, client-ip |
| @sveltejs/adapter-bun requires Bun 1.4 or newer, but this is | exception | critical | version-compatibility, runtime, adapter-bun, bun |
| read(...) failed: could not fetch ${url} (${response.status} | exception | error | cloudflare, assets, file-not-found, network |
| Cloudflare Pages' _routes.json should be configured from the | exception | error | cloudflare, configuration, build, adapter-cloudflare |
| The _headers file should be placed in the project root rathe | exception | error | cloudflare-pages, adapter, build-time, config |
| The _redirects file should be placed in the project root rat | exception | error | cloudflare-pages, adapter, build-time, config |
| Cannot access cloudflare:workers in a prerenderable route | exception | error | cloudflare-workers, prerender, bindings, ssr |
| exports is not available in dev mode | exception | error | cloudflare, dev-mode, workers-runtime, sveltekit |
| You must remove all `site` keys in ${config_path}. Consult h | exception | error | cloudflare, wrangler-config, adapter-config, migration |
| You must specify the `assets.directory` key in ${config_path | exception | error | cloudflare, wrangler-config, adapter-config, static-assets |
| You must specify the `assets.binding` key in ${config_path} | exception | error | cloudflare, wrangler-config, adapter-config, static-assets |
| You must specify the `main` key in ${config_path} if you wan | exception | error | cloudflare, wrangler-config, adapter-config, static-assets |
| The following _redirects rule cannot be excluded by _routes. | exception | error | cloudflare, redirects, routes-json, adapter-config |
| routes.include and routes.exclude must be arrays | validation | error | cloudflare, adapter-config, routes-json, validation |
| routes.include must contain at least one route | validation | error | cloudflare, routes-json, adapter-config, limits |
| routes.include must contain 100 or fewer routes | validation | error | config, limits, cloudflare |
| read(...) failed: could not fetch ${url} (${response.status} | exception | error | network, edge-functions, netlify |
| @sveltejs/adapter-netlify >=2.x (possibly installed through | validation | error | version-compatibility, netlify, build |
| The _headers file should be placed in the project root rathe | validation | error | config, netlify, file-placement |
| The _redirects file should be placed in the project root rat | validation | error | config, netlify, file-placement |
| Cannot use `split: true` alongside `edge: true` | validation | error | config, netlify, mutually-exclusive-options |
| Failed to parse netlify.toml: ${err.message} | exception | error | config, toml, netlify, parse-error |
| The publish directory cannot be set to the site root. Please | validation | error | config, netlify, publish-directory |
| You should change envPrefix (${env_prefix}) to avoid conflic | validation | error | environment, configuration, adapter-node |
| Invalid value for environment variable ${name}: ${JSON.strin | validation | error | environment, configuration, validation |
| Invalid BODY_SIZE_LIMIT: '${env('BODY_SIZE_LIMIT')}'. Please | validation | error | configuration, environment, body-size |
| Address header was specified with ${env_prefix + 'ADDRESS_HE | validation | error | http, headers, proxy, adapter-node |
| ${env_prefix + 'XFF_DEPTH'} must be a positive integer | validation | error | http, headers, proxy, configuration |
| ${env_prefix + 'XFF_DEPTH'} is ${xff_depth}, but only found | validation | error | http, headers, proxy |
| Multiple values provided for ${name} header where only one e | validation | error | http, headers, security |
| The ${protocol_header} header specified ${protocol} which is | validation | error | http, security, header-injection, proxy |
| Could not determine host. The request must have a value prov | validation | error | http, headers, proxy, configuration |
| The ${port_header} header specified ${port} which is an inva | validation | error | http, headers, security, proxy |
| received LISTEN_PID ${listen_pid} but current process id is | validation | error | node, socket-activation, environment, systemd |
| only one socket is allowed for socket activation, but LISTEN | validation | error | node, socket-activation, environment, systemd |
| The `edge` runtime is no longer supported | validation | error | config, vercel, adapter, edge-runtime |
| ${directory}: `__pathname` is a reserved query parameter for | validation | error | config, vercel, isr, reserved-keyword |
| The ${route.id} and ${existing.route_id} routes must be merg | validation | error | config, vercel, routes, conflict |
| Could not find entry point | exception | error | vercel, build, filesystem, adapter |
| Invalid isr.expiration value: ${JSON.stringify(value)} (${de | validation | error | config, vercel, isr, validation |
| Unsupported Bun version: ${major}. Please use Bun 1.x to bui | validation | error | vercel, bun, versioning, build |
| Unsupported Node.js version: ${process.version}. Please use | validation | error | vercel, node, versioning, build |
| Could not auto-detect a runtime. Please explicitly specify a | validation | error | vercel, adapter, configuration, node-version |
| Unsupported runtime: ${key}. Supported runtimes are: ${valid | validation | error | vercel, adapter, configuration, validation |
| @sveltejs/enhanced-img requires @sveltejs/vite-plugin-svelte | validation | error | vite, svelte, dependency-version, build |
| Could not locate ${file_path}. Please move it to be located | validation | error | vite, assets, image-optimization, svelte |
| Could not locate ${file_path}. See https://vitejs.dev/guide/ | validation | error | vite, assets, image-optimization, svelte |
| Could not load ${resolved_id} | exception | error | vite, imagetools, image-optimization, plugin |
| The `generateManifest` adapter API has been removed — use `g | validation | error | sveltekit, adapter, breaking-change, api-removed |
| Instrumentation file ${instrumentation} not found. This is p | exception | error | sveltekit, adapter, instrumentation, internal |
| Entrypoint file ${entrypoint} not found. This is probably a | exception | error | sveltekit, adapter, instrumentation, internal |
| Instrumentation initializer ${initializer} not found. This i | exception | error | sveltekit, adapter, instrumentation, internal |
| ${relative} does not exist | exception | error | config, filesystem, build-time, missing-file |
| ${relative} is missing ${tag} | exception | error | config, template, build-time, placeholder |
| The `csp.directives['trusted-types']` option must include 's | validation | error | config, csp, security, trusted-types, service-worker |
| The SvelteKit options from the Vite config must be an object | validation | error | config, validation, type-mismatch, esm |
| The `router.resolution` option cannot be 'server' if `router | validation | error | config, router, incompatible-options |
| The `router.resolution` option cannot be 'server' if `output | validation | error | config, router, bundle, incompatible-options |
| ${keypath} should be "fail", "warn", "ignore" or a custom fu | validation | error | config, validation, prerender, enum-value |
| The SvelteKit Vite plugin ${keypath} should be an object wit | validation | error | config, adapter, validation, api-misuse |
| ${keypath} should be an object | validation | error | config, validation, alias, type-mismatch |
| ${keypath} cannot start or end with '/'. See https://svelte. | validation | error | config, validation, appdir, path-format |
| ${keypath} cannot be empty | validation | error | config, validation, sveltekit |
| ${keypath} must be an array of strings | validation | error | config, type-error, validation |
| Each member of ${keypath} must start with '.' — saw '${exten | validation | error | config, validation, sveltekit |
| File extensions must be alphanumeric — saw '${extension}' | validation | error | config, validation, regex |
| SvelteKit configuration (${keys}) no longer lives inside a ` | validation | error | config, migration, breaking-change, sveltekit |
| ${keypath} option must either be the empty string or a root- | validation | error | config, paths, validation |
| ${keypath} option must be an absolute path, if specified. Se | validation | error | config, paths, url, validation |
| ${keypath} option must not end with '/'. See https://svelte. | validation | error | config, paths, url |
| ${keypath} must be a valid origin (e.g. 'https://my-site.com | validation | error | config, url, prerender, validation |
| ${keypath} must be a valid origin — only 'http' and 'https' | validation | error | config, url, prerender, protocol |
| ${keypath} must be a valid origin — received '${input}' whic | validation | error | sveltekit, config-validation, prerender, origin |
| Each member of ${keypath} must be either '*' or an absolute | validation | error | sveltekit, config-validation, prerender |
| The `${keypath}` option has been removed. Please see the lis | validation | error | sveltekit, breaking-change, config-migration, deprecated-option |
| Unexpected option ${keypath}.${key} (did you mean config.${k | validation | error | sveltekit, config-validation, unknown-option |
| ${keypath} must be an array of strings, if specified | validation | error | sveltekit, config-validation, type-error, array |
| ${keypath} should be a number, if specified | validation | error | sveltekit, config-validation, type-error, number |
| ${keypath} should be true or false, if specified | validation | error | sveltekit, config-validation, type-error, boolean |
| ${keypath} should be one of "${options}" or "${options[optio | validation | error | config, validation, sveltekit |
| ${keypath} should be a function, if specified | validation | error | config, validation, typescript |
| ${keypath} should be a string, if specified | validation | error | config, validation, types |
| ${file} must export a variables object | validation | error | env, config, sveltekit |
| Invalid environment variable name ${JSON.stringify(name)} | validation | error | env, validation, naming |
| Cannot import `$app/*` modules other than `$app/env` inside | exception | error | env, imports, sveltekit |
| Page options are ignored when `router.type === 'hash'` (${no | validation | error | build, routing, prerender |
| Cannot prerender a route with both +page and +server files ( | exception | error | prerender, routing, build |
| Mismatched route config for ${route.id} — the +page and +ser | exception | error | routing, config, build |
| Cannot prerender a +server file with ${BODY_DEPENDENT_METHOD | exception | error | prerender, server, build |
| Cannot read clientAddress during prerendering | exception | error | prerender, adapter-static, client-address, build-time |
| Cannot read clientAddress during prerendering | exception | error | prerender, client-address, build-time |
| Cannot prerender a root +server.js that returns a non-HTML r | exception | error | prerender, adapter-static, routes, html |
| Cannot save ${decoded} as it is already a directory. See htt | exception | error | prerender, route-conflict, filesystem |
| Cannot save ${decoded} as ${parent} is already a file. See h | exception | error | prerender, route-conflict, filesystem |
| Cannot add tasks to a queue that has ended | exception | error | build, queue, lifecycle |
| The "${lookup.get(key)}" and "${route.id}" routes conflict w | exception | error | routing, routes, conflict, dev-time |
| Character escape sequence in ${id} must be lowercase | exception | error | routing, routes, unicode, naming |
| Invalid character escape sequence in ${id} | exception | error | routing, routes, unicode, validation |
| Hexadecimal escape sequence in ${id} must be two characters | exception | error | routing, routes, unicode, validation |
| Unicode escape sequence in ${id} must be between four and si | exception | error | |
| Invalid route ${id} — parameters must be separated | exception | error | |
| Invalid route ${id} — brackets are unbalanced | exception | error | |
| Route ${id} should be renamed to ${id.replace(/#/g, '[x+23]' | exception | error | |
| Invalid route ${id} — an [[optional]] route segment cannot f | exception | error | |
| Invalid route ${id} — a rest route segment is always optiona | exception | error | |
| Cannot use server-only files in an app with `router.type === | exception | error | |
| No routes found. If you are using a custom src/routes direct | exception | error | |
| ${current_node.component} references missing segment "${pare | exception | error | |
| Cannot prerender a route (${route.id}) with both a `+page.sv | exception | error | |
| Files prefixed with + are reserved (saw ${project_relative}) | exception | error | sveltekit, routing, file-naming, sync |
| Only Svelte files can reference named layouts. Remove '${mat | exception | error | sveltekit, routing, named-layouts, file-naming |
| Files and directories prefixed with + are reserved (saw ${pr | exception | error | sveltekit, routing, file-naming, sync |
| Invalid route ID ${id} | exception | error | sveltekit, routing, route-parameters, syntax |
| Invalid alias key: ${key} | exception | error | sveltekit, tsconfig, configuration, path-alias |
| Invalid alias value: ${value} | exception | error | sveltekit, tsconfig, configuration, path-alias |
| `defineEnvVars` has moved — import it from `@sveltejs/kit/en | exception | error | sveltekit, api-migration, breaking-change, env |
| HTTP error status codes must be between 400 and 599 — ${stat | exception | error | sveltekit, http-status, error-handling, validation |
| Error: ${status} | http | warning | sveltekit, http-status, error-handling, user-experience |
| Invalid status code | exception | error | redirect, http-status, validation, sveltekit |
| Can only read the current request event inside functions inv | exception | error | async-context, asynclocalstorage, request-event, sveltekit |
| Could not get the request store. | exception | error | async-context, asynclocalstorage, request-store, remote-functions, sveltekit |
| Cannot export `default` from a remote module (${file}) — ple | exception | error | remote-functions, module-exports, sveltekit |
| `${name}` exported from ${file} is invalid — all exports fro | exception | error | remote-functions, module-exports, sveltekit |
| Tracing is enabled (see the SvelteKit plugin `tracing.server | exception | error | tracing, opentelemetry, missing-dependency, observability, sveltekit |
| Invalid redirect location ${JSON.stringify(location)}: this | exception | error | redirect, header-injection, validation, http, sveltekit |
| Invalid param definition | exception | error | routing, params, syntax, sveltekit |
| Cannot redirect to external URL ${JSON.stringify(location)}. | exception | error | redirect, open-redirect, security, validation, sveltekit |
| Cannot redirect to ${JSON.stringify(location)} with `{ exter | exception | error | redirect, xss, security, validation, sveltekit |
| Cannot redirect to ${JSON.stringify(location)}: URL origin i | exception | error | redirect, security, open-redirect, allowlist |
| `redirect` options.external must be `true` or an array of al | exception | error | redirect, validation, api-misuse |
| ${manifest_data.params} does not export `params` from `defin | exception | error | vite, dev, params, module-export |
| Could not find node for ${url} | exception | error | vite, dev, module-graph, hmr |
| Cannot use relative URL (${info}) with global fetch — use `e | exception | error | fetch, relative-url, dev, server |
| ${resolved_instrumentation} is unsupported in ${svelte_confi | exception | error | adapter, instrumentation, config, compatibility |
| Could not determine clientAddress | exception | error | dev-server, socket, client-address |
| ${file} is no longer used. Please pass configuration via the | exception | error | config, vite, migration, breaking-change |
| The SvelteKit Vite plugin ${keypath} should be an object wit | exception | error | config, adapter, validation, vite |
| Expected to find metadata for remote file ${id} | exception | error | vite, build, remote-functions, virtual-module |
| Could not determine clientAddress | exception | error | preview, node, http, client-address |
| The configured Vite SSR environment must be a RunnableDevEnv | exception | error | vite, ssr, dev-server, dependency-mismatch |
| use:enhance can only be used on <form> fields with method="P | validation | error | sveltekit, forms, dev-only, validation |
| Your form contains <input type="file"> fields, but is missin | validation | error | sveltekit, forms, file-upload, dev-only |
| called uneval before init_transport | exception | error | serialization, devalue, transport, initialization-order |
| called stringify before init_transport | exception | error | serialization, devalue, transport, initialization-order |
| called parse before init_transport | exception | error | serialization, devalue, transport, client, initialization-order |
| Missing params for dynamic route ID ${id} | exception | error | sveltekit, routing, paths, params |
| Cannot use `match(...)` inside a service worker, as it depen | exception | error | sveltekit, service-worker, paths, unsupported-context |
| Missing params for dynamic route ID ${id} | exception | error | |
| No `read` implementation was provided. Please ensure that yo | exception | error | |
| Asset does not exist: ${file} | exception | error | |
| Cannot call a command (${__.name}) ${violation} | exception | error | |
| Cannot call a command (${__.name}) during server-side render | exception | error | |
| Cannot call '${__.name}(...).updates(...)' on the server | exception | error | |
| incorrect_fail_message (form action returned an ActionFailur | exception | error | |
| incorrect_fail_message (form action returned an ActionFailur | exception | error | |
| Cannot call validate() on the server | exception | error | |
| Cannot call submit() on the server | exception | error | |
| ${prerendered.error} | http | error | prerendering, remote-functions, cache, ssr |
| ${source.errors[0].message} | exception | error | syntax, build, vite, static-analysis |
| Cannot call query '${__.name}' while prerendering, as preren | exception | error | prerendering, remote-functions, query, ssg |
| Cannot call query.live '${__.name}' while prerendering, as p | exception | error | prerendering, live-query, streaming, ssg |
| Cannot call query.batch '${__.name}' while prerendering, as | exception | error | prerendering, query-batch, ssg, remote-functions |
| Cannot call '${__.name}.withOverride()' on the server | exception | error | remote-functions, query, ssr, testing |
| query.live '${__.name}' did not yield a value | exception | error | live-query, generator, async-iteration, remote-functions |
| requested(...) expects a query function created with query(. | exception | error | remote-functions, query, requested, type-mismatch |
| requested(...) can only be called in the context of a comman | exception | error | remote-functions, requested, command, context |
| requested(${__.name}, ${limit}) cannot be used with synchron | exception | error | async-iteration, requested, query, validator |
| Skipping ${__.name}(${payload}) | exception | error | remote-functions, validation, batching, requested |
| refreshAll() is invalid for live queries. Use reconnectAll() | exception | error | remote-functions, live-queries, api-misuse |
| reconnectAll() is invalid for regular queries. Use refreshAl | exception | error | remote-functions, queries, api-misuse |
| Limit must be a non-negative integer or Infinity | exception | error | validation, arguments, batching, requested |
| new ValidationError(result.issues) — carries the Standard Sc | validation | error | validation, standard-schema, remote-functions, zod |
| Invalid validator passed to remote function. Expected "unche | exception | error | validation, standard-schema, remote-functions, configuration |
| setHeaders is not allowed in remote functions | exception | error | remote-functions, headers, api-restriction |
| Cannot set cookies in `query` or `prerender` functions | exception | error | remote-functions, cookies, queries, api-restriction |
| Cookies set in remote functions must have an absolute path | exception | error | remote-functions, cookies, validation |
| Cannot delete cookies in `query` or `prerender` functions | exception | error | remote-functions, cookies, queries, api-restriction |
| Cookies deleted in remote functions must have an absolute pa | exception | error | cookies, remote-functions, validation |
| Cannot access event.${property} in a query. Pass the value a | exception | error | remote-functions, query, request-state |
| query.live '${name}' must return an Iterator, Iterable, Asyn | exception | error | remote-functions, query-live, async-iterator |
| The `$app/service-worker` module can only be imported into a | exception | error | service-worker, dev-guard, imports |
| Can only read '${name}' on the server during rendering (not | exception | error | state-management, ssr, component-context |
| Can only call updated.check() in the browser | exception | error | ssr, updated, browser-only |
| `$app/stores` has been removed in favour of `$app/state`. Se | exception | error | deprecated-api, migration, app-state |
| Page options are ignored when `router.type === 'hash'` (${ro | exception | error | hash-router, page-options, config |
| new HandledHttpError(server_data_node.error) — rethrows serv | http | error | client-navigation, server-error, error-boundary |
| Can only disable scroll handling during navigation | exception | warning | navigation, scroll, dev-guard |
| DEV: Cannot use `${caller}` with an external URL. Use `windo | exception | error | navigation, routing, sveltekit |
| DEV: Cannot use `${caller}` with a URL that does not resolve | exception | error | navigation, routing, sveltekit |
| The `goto(..., { noScroll: true, keepFocus: true })` options | exception | error | navigation, deprecated-api, sveltekit |
| Attempted to preload a URL that does not belong to this app: | exception | error | preload, routing, sveltekit |
| argument passed to preloadCode must be a route ID (i.e. "/bl | exception | error | preload, routing, developer-error |
| Cannot call ${caller}(...) before router is initialized | exception | error | navigation, lifecycle, initialization |
| Cannot used reserved query parameter "${INVALIDATED_PARAM}" | exception | error | query-parameters, routing, reserved-parameter |
| new HandledHttpError({ status: res.status, message: from JSO | http | error | http, network, server-error |
| Redirects are not allowed in commands. Return a result inste | exception | error | remote-functions, redirect, api-design |
| A form object can only be attached to a single `<form>` elem | exception | error | remote-functions, forms, sveltekit |
| Cannot mix and match file and non-file inputs under the same | exception | error | dev-mode, formdata, remote-forms |
| Can only use the `multiple` attribute when `name` includes a | exception | error | dev-mode, formdata, remote-forms, file-upload |
| Cannot call submit() before the form is attached | exception | error | remote-forms, lifecycle, client |
| `$` is used to collect all FormData validation issues and ca | validation | error | formdata, validation, remote-forms, reserved-name |
| Your form contains <input type="file"> fields, but is missin | validation | error | formdata, file-upload, enctype, remote-forms |
| Live query completed before yielding a value | exception | error | query-live, streaming, async-generator, client |
| Invalid query.live response | http | error | query-live, network, content-type, streaming |
| Expected query.live response body to be a ReadableStream | exception | error | query-live, streaming, network, readable-stream |
| Query resolved without a value | http | error | query, remote-functions, client, unresolved-value |
| Multiple overrides for the same query are not allowed in a s | exception | error | remote-functions, api-misuse, duplicate-key |
| updates() expects a query or live query function, query reso | exception | error | remote-functions, api-misuse, type-error |
| Could not generate a snapshot id from the stack trace. Pass | exception | error | snapshots, stack-trace, build-pipeline |
| snapshot() was called multiple times from the same call site | exception | error | snapshots, duplicate-id, dev-only |
| Form contained a field that wasn't created with form.fields. | validation | error | forms, field-encoding, api-misuse |
| Form cannot contain duplicated keys — "${field.name}" has ${ | validation | error | forms, duplicate-key, data-conversion |
| incomplete file data | exception | error | files, upload, stream-truncation, network |
| Invalid field name ${path}: field names are written in JS ob | validation | error | forms, naming, validation |
| Invalid key "${key}": This key is not allowed to prevent pro | validation | warning | security, prototype-pollution, forms |
| Invalid array key ${keys[i + 1]} | validation | error | forms, naming, data-conversion |
| `${type}` inputs must have a value | validation | error | |
| ${type === 'radio' ? 'Radio' : 'Checkbox array'} inputs must | validation | error | |
| Cannot serialize cookies until after the route is determined | exception | error | |
| Cookie "${name}" is too large, and will be discarded by the | validation | error | |
| Cannot prerender endpoints with body-dependent methods | exception | error | |
| ${event.route.id} is not prerenderable | exception | error | |
| Invalid response from route ${event.url.pathname}: handler s | exception | error | |
AbortError The operation was aborted. | exception | error | |
| When using named actions, the default action cannot be used. | exception | error | |
| Cannot use reserved action name "default" | exception | error | |
| Cannot `return redirect(...)` — use `redirect(...)` instead | exception | error | sveltekit, redirect, form-actions, api-misuse |
| Cannot `return error(...)` — use `error(...)` or `return fai | exception | error | sveltekit, error-handling, form-actions, api-misuse |
| Data returned from action inside ${route_id} is not serializ | exception | error | sveltekit, form-actions, serialization, devalue |
| Data returned from action inside ${route_id} is not serializ | exception | error | sveltekit, serialization, devalue, form-actions |
| Cannot prerender pages with actions | exception | error | sveltekit, prerendering, form-actions, build-time |
| CORS error: ${acao ? 'Incorrect' : 'No'} 'Access-Control-All | exception | error | cors, network, fetch, sveltekit |
| response.status is not a number. value: "${response.status}" | exception | error | fetch, mocking, sveltekit, response-status |
| Failed to get response header "${lower}" — it must be includ | exception | error | sveltekit, headers, load, serialization |
| Failed to get response header "set-cookie" — it must be incl | exception | error | ssr, cookies, fetch, hooks |
| Cannot use prerendering if config.csp.mode === "nonce" | exception | error | csp, prerendering, config |
| Cannot use prerendering if page template contains %sveltekit | exception | error | csp, prerendering, app-html |
| Cannot call `fetch` eagerly during server-side rendering wit | exception | error | ssr, fetch, dev, relative-url |
| ${__SVELTEKIT_ADAPTER_NAME__} does not specify getClientAddr | exception | error | adapter, client-address, ssr |
| Use `event.cookies.set(name, value, options)` instead of `ev | exception | error | cookies, setheaders, hooks |
| "${key}" header is already set | exception | error | http-headers, sveltekit, server |
| Cannot use `cookies.set(...)` after the response has been ge | exception | error | cookies, sveltekit, lifecycle |
| Cannot use `setHeaders(...)` after the response has been gen | exception | error | http-headers, sveltekit, lifecycle |
| `cache-control` header contains empty directives. ${error_su | validation | error | cache-control, http-headers, validation |
| Invalid cache-control directive "${invalid}". Did you mean o | validation | error | cache-control, http-headers, validation |
| Invalid content-type value "${type}". ${error_suffix} | validation | error | content-type, http-headers, validation |
| a load function ${location_description} returned ${typeof da | exception | error | load, sveltekit, serialization |
| Regular expressions are not valid remote function arguments | exception | error | remote-functions, serialization, validation |
| Invalid data for Map reviver | exception | error | remote-functions, deserialization, security |
| Invalid data for Set reviver | exception | error | serialization, remote-functions, devalue |
| Invalid data for File reviver | exception | error | serialization, file-upload, remote-functions |
| Promises are not valid remote function arguments | exception | error | remote-functions, async, serialization |
| Invalid remote key: ${key} | exception | error | remote-functions, url, internal-api |
| Invalid export '${key}'${file ? ` in ${file}` : ''} (${hint} | exception | error | sveltekit, routes, validation, build |
| Cannot use `read` from `$app/server` in ${route_id} when usi | exception | error | adapter, read, build, compatibility |
| Cannot call `${name}${parens}` on the server | exception | error | ssr, navigation, sveltekit |
| Could not resolve peer dependency "${name}" relative to your | exception | error | dependencies, install, peer-dependency |
| Could not find valid "${subpackage}" export in ${name}/packa | exception | error | dependencies, exports, package-json |
| No matcher found for parameter '${name}'${file ? ` in ${file | exception | error | routing, params, build-time, config |
| No matcher found for parameter '${names.values().next().valu | exception | error | routing, params, configuration, build-time |
| ${params_path} does not export `params` from `defineParams` | exception | error | routing, params, configuration, esm-exports |
| Invalid param: ${content}. Params and matcher names can only | exception | error | routing, route-id, validation, build-time |
| Async param matchers are not supported | exception | error | params, matcher, standard-schema, async |
| Param matcher must return a string, number, boolean, or bigi | exception | error | params, matcher, standard-schema, type-conversion |
| Missing parameter '${name}' in route ${id} | exception | error | routing, params, runtime |
| Parameter '${name}' in route ${id} cannot start or end with | exception | error | routing, params, url-validation, runtime |
| Parameter values must be a string, number, boolean, or bigin | exception | error | routing, params, type-conversion, runtime |
| Cannot access event.url.hash. Consider using `page.url.hash` | exception | error | url, ssr, server, hash |
| Cannot access url.${property} on a page with prerendering en | exception | error | prerendering, url, query-string, ssg |
| config.package is no longer supported. See https://github.co | exception | error | config, breaking-change, migration, packaging |
| Could not resolve peer dependency "${name}" relative to your | exception | error | dependencies, node-modules, peer-dependency, installation |
| Could not find valid "${subpackage}" export in ${name}/packa | exception | error | package-json, exports, module-resolution, peer-dependency |
| ${path.relative('.', input)} does not exist | exception | error | filesystem, path, packaging, configuration |
| You need to install TypeScript if you want to transpile Type | exception | error | typescript, dependencies, transpilation, installation |
| Failed to locate provided tsconfig or jsconfig | exception | error | typescript, tsconfig, path, configuration |
| Failed to locate tsconfig or jsconfig | exception | error | typescript, tsconfig, configuration, monorepo |
| Malformed tsconfig
${JSON.stringify(error, null, 2)} | exception | error | typescript, tsconfig, json, parse-error, configuration |
| ${manifest_error.message ?? 'Invalid routes'} | http | critical | dev-server, routes, manifest, vite |
| To suppress or handle this error, implement `${name}` in htt | console | error | prerender, config, build, ssg |
| Preloading data for ${intent.url.pathname} failed with the f | console | warning | preload, dev, console, navigation |
| The next HMR update will cause the page to reload | console | warning | hmr, dev, error-handling, console |
| Failed to initialize SvelteKit cache: | console | warning | cache, browser, cache-storage, console |
| The properties of `form.fields` are virtual, so operators li | console | warning | dev-warning, forms, proxy, reactivity |
| To use an async `handleError` hook to handle errors that occ | console | warning | hooks, async, handleerror, compiler-options |
| The form action returned an error, but +error.svelte wasn't | console | warning | forms, ssr, csr, use-enhance, dev-warning |
| [SvelteKit] ${error.message} | console | warning | headers, csp, validation, config |
| ${route_id}: Calling `depends('${dep}')` will throw an error | console | warning | load-functions, depends, firefox, uri-scheme |
| The `status` property of `handleError` is deprecated. Use `e | console | warning | deprecation, handleerror, hooks |
| The `message` property of `handleError` is deprecated. Use ` | console | warning | deprecation, handleerror, hooks |
|
If you plan to continue deploying to ${match.name}, conside | console | info | adapter-auto, deployment, install, config |
| Could not detect a supported production environment. See htt | console | warning | adapter-auto, deployment, configuration, build |
| precompress is ignored with buildOptions.compile: embedded a | console | warning | adapter-bun, precompress, config, build |
| Cloudflare Pages Functions' includes/excludes exceeds _route | console | warning | cloudflare, adapter, build-warning, routing |
| No netlify.toml found. Using default publish directory. Cons | console | warning | netlify, adapter, missing-config, build-warning |
| Detected ${platform.name}. Please remove adapter-static opti | console | warning | adapter-static, adapter, zero-config, build-warning |
|
Warning: The following routes have an ISR config which is i | console | warning | vercel, adapter, isr, prerender, build-warning |
| Warning: The following modules failed to locate dependencies | console | warning | vercel, adapter, module-resolution, bundling, build-warning |
|
Warning: vercel.json defines cron tasks that use paths that | console | warning | vercel, adapter, cron, validation, build-warning |
| Could not determine width of image ${pathname} | console | warning | enhanced-img, vite-plugin, image-processing, build-warning |
| Could not determine intrinsic dimensions for ${resolved_id} | console | warning | enhanced-img, vite-plugin, image-processing, sharp, build-warning |
|
Overwriting ${dest} with fallback page. Consider using a di | console | warning | prerender, fallback, adapter, build-warning |
| Reading `config.kit` inside adapters is deprecated — it shou | console | warning | deprecation, adapter, config, sveltekit |
| The `${keypath}` option is deprecated, and will be removed i | console | warning | deprecation, config, sveltekit |
| location header missing on redirect received from ${decoded} | console | warning | prerender, redirect, http-headers |
| ${description}. Did you mean ${corrected}? at ${path.resolve | console | warning | sync, file-naming, typo |
| ${path.relative(process.cwd(), user_config.file)} should ext | console | warning | typescript, tsconfig, sync |
| Found issues while validating ${path.relative(process.cwd(), | console | warning | typescript, tsconfig, validation |
| - ${warning} | console | info | typescript, tsconfig, validation |
| Passing an `App.Error` body as the second argument is deprec | console | warning | deprecation, error-handling, api-migration |
| OPTIONS request handlers will not work unless `${key}.prefli | console | warning | cors, vite, preflight |
| The following plugins may not work correctly because they us | console | warning | vite, plugins, compatibility |
| `$app/environment` is deprecated, use `$app/env` instead | console | warning | deprecation, imports, sveltekit |
| The `update({ invalidateAll })` option has been deprecated i | console | warning | deprecation, forms, client-side |
| `asset('${path}')` should now be `asset('${path.slice(1)}')` | console | warning | deprecation, paths, assets |
| `asset('${file}')` should now be `asset('${file.slice(1)}')` | console | warning | deprecation, paths, ssr, assets |
| Avoid using `history.pushState(...)` and `history.replaceSta | console | warning | routing, history-api, client-side, conflict |
| Placing %sveltekit.body% directly inside <body> is not recom | console | warning | hydration, html-template, dev-warning |
| `export const snapshot` is deprecated. Use the `snapshot` he | console | warning | deprecation, snapshot, client-side |
| The `goto(..., { replaceState: ${opts.replaceState} })` opti | console | warning | deprecation, navigation, client-side |
| The `goto(..., { invalidateAll: ${opts.invalidateAll} })` op | console | warning | deprecation, navigation, client-side |
| '${id}' has no `+page`, so there is no code to preload. If y | console | warning | preloading, routing, client-side |
| '${id}' did not match any route (note that routes without a | console | warning | preloading, routing, client-side |
| `pushState(...)` is deprecated. Use `goto(url, { state, shal | console | warning | deprecation, shallow-routing, client, sveltekit |
| `replaceState(...)` is deprecated. Use `goto(url, { state, s | console | warning | deprecation, shallow-routing, client, sveltekit |
| Loading ${url} using `window.fetch`. For best results, use t | console | warning | fetch, load, performance, ssr, sveltekit |
| Updates can only be sent once per command invocation. Ignori | console | warning | remote-functions, command, updates, sveltekit |
| ${message}\n\n${summary}\n\n${suggestion} | console | warning | remote-functions, form, validation, issues, sveltekit |
| Updates can only be sent once per form submission. Ignoring | console | warning | remote-functions, form, updates, sveltekit |
| `data-sveltekit-${name}="true"` has been replaced with `data | console | warning | deprecation, attributes, routing, accessibility, sveltekit |
| `$env/dynamic/private` is deprecated, use `$app/env/private` | console | warning | deprecation, environment, env-variables, imports, sveltekit |
| `$env/dynamic/public` is deprecated, use `$app/env/public` i | console | warning | deprecation, environment, env-variables, imports, sveltekit |
| `$env/static/private` is deprecated, use `$app/env/private` | console | warning | deprecation, environment, env-variables, imports, sveltekit |
| `$env/static/public` is deprecated, use `$app/env/public` in | console | warning | deprecation, environment-variables, sveltekit |
| '${name}' cookie does not exist for ${url.pathname}, but was | console | warning | cookies, server, sveltekit |
| The form action returned a value, but it isn't available in | console | warning | form-actions, ssr, sveltekit |
| ${node.server_id}: Accessing URL properties in a promise han | console | warning | load-function, reactivity, sveltekit, server |
| ${node.server_id}: Calling `event.fetch(...)` in a promise h | console | warning | load-function, fetch, sveltekit, server |
| ${node.server_id}: Calling `depends(...)` in a promise handl | console | warning | load-function, depends, sveltekit, server |
| ${node.server_id}: Accessing `params.${String(key)}` in a pr | console | warning | load-function, params, sveltekit, server |
| ${node.server_id}: Calling `parent(...)` in a promise handle | console | warning | load-function, parent, sveltekit, server |
| ${node.server_id}: Accessing `route.${String(key)}` in a pro | console | warning | load-function, route, sveltekit, server |
| Avoid calling `fetch` eagerly during server-side rendering — | console | warning | ssr, fetch, hydration |
| \u001B[1m\u001B[31mRemoving comments in transformPageChunk c | console | warning | ssr, hydration, vite-hook, dev-warning |
| \u001B[1m\u001B[31mReturning promises from server `load` fun | console | warning | ssr, load, streaming, csr |
| Using $lib/${file} instead of generated .d.ts file | console | warning | typescript, packaging, declaration-files |
| Failed to load SvelteKit options from Vite config | exception | error | config, vite, startup |
| Could not create a fallback page | exception | error | prerender, adapter-static, spa, build |
| Multiple layout component files found in ${routes_base}${rou | exception | error | routing, config, duplicate-files |
| Multiple page component files found in ${routes_base}${route | exception | error | routing, config, duplicate-files |
| Multiple ${item.kind} layout module files found in ${routes_ | exception | error | routing, typescript, duplicate-files |
| Multiple ${item.kind} page module files found in ${routes_ba | exception | error | routing, typescript, duplicate-files |
| Multiple endpoint files found in ${routes_base}${route.id} : | exception | error | |
| Invalid environment variables\n\n${name}\n${issues.map((issu | exception | error | |
| `$lib` has been removed. Use `#lib` instead: https://svelte. | exception | error | |
| Cannot import ${normalized} into code that runs in the brows | exception | error | |
| Server files not found at ${dir}, did you run `build` first? | exception | error | |
| To enable ${feature_name}, add the following to your SvelteK | exception | error | |
| Could not deserialize binary form: no body | exception | error | |
| Could not deserialize binary form: too short | exception | error | |
| Could not deserialize binary form: got version ${header[0]}, | exception | error | |
| Could not deserialize binary form: data too short | exception | error | |
| Could not deserialize binary form: file offset table too sho | exception | error | sveltekit, forms, serialization, request-body |
| Could not deserialize binary form: invalid file offset table | exception | error | sveltekit, forms, serialization, validation |
| Could not deserialize binary form: invalid file metadata | exception | error | sveltekit, forms, serialization, validation |
| Could not deserialize binary form: duplicate file offset tab | exception | error | sveltekit, forms, serialization, validation |
| Could not deserialize binary form: gaps in file data | exception | error | sveltekit, forms, serialization, integrity |
| Could not deserialize binary form: overlapping file data | exception | error | sveltekit, forms, serialization, integrity |
| Cannot "throw fail()". Use "return fail()" | exception | error | sveltekit, actions, fail, developer-error |
| `content-security-policy-report-only` must be specified with | exception | error | sveltekit, csp, configuration, security |