sveltejs/kit
Documented errors, page 3 of 4. Back to sveltejs/kit
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Invalid alias value | exception | error | sveltekit, tsconfig, configuration, path-alias |
| Invalid data for File reviver | exception | error | serialization, file-upload, remote-functions |
| Server files not found at | exception | error | |
| Cannot prerender a +server file with | exception | error | prerender, server, build |
| Invalid alias key | exception | error | sveltekit, tsconfig, configuration, path-alias |
| Invalid value for environment variable | validation | error | environment, configuration, validation |
| Parameter values must be a string, number, boolean, or… | exception | error | routing, params, type-conversion, runtime |
| The `router.resolution` option cannot be 'server' if… | validation | error | config, router, incompatible-options |
| Cookie " " is too large, and will be discarded by the… | validation | error | |
| Could not deserialize binary form: invalid file offset table | exception | error | sveltekit, forms, serialization, validation |
| Invalid data for Set reviver | exception | error | serialization, remote-functions, devalue |
| ${prerendered.error} | http | error | prerendering, remote-functions, cache, ssr |
| Unexpected option . (did you mean config. ?) | validation | error | sveltekit, config-validation, unknown-option |
| Cannot `return redirect(...)` — use `redirect(...)` instead | exception | error | sveltekit, redirect, form-actions, api-misuse |
| Could not deserialize binary form: overlapping file data | exception | error | sveltekit, forms, serialization, integrity |
| Data returned from action inside | exception | error | sveltekit, serialization, devalue, form-actions |
| Invalid route — brackets are unbalanced | exception | error | |
| Parameter ' ' in route cannot start or end with a slash --… | exception | error | routing, params, url-validation, runtime |
| updates() expects a query or live query function, query… | exception | error | remote-functions, api-misuse, type-error |
| Cookies set in remote functions must have an absolute path | exception | error | remote-functions, cookies, validation |
| Failed to parse netlify.toml | exception | error | config, toml, netlify, parse-error |
| should extend SvelteKit's built-in configuration | console | warning | typescript, tsconfig, sync |
| argument passed to preloadCode must be a route ID (i.e… | exception | error | preload, routing, developer-error |
| cannot start or end with '/'. See… | validation | error | config, validation, appdir, path-format |
| The form action returned an error, but +error.svelte wasn't… | console | warning | forms, ssr, csr, use-enhance, dev-warning |
| Cannot call validate() on the server | exception | error | |
| Cannot use reserved action name "default" | exception | error | |
| Invalid validator passed to remote function. Expected… | exception | error | validation, standard-schema, remote-functions, configuration |
| The `update( )` option has been deprecated in favour of… | console | warning | deprecation, forms, client-side |
| Could not determine host. The request must have a value… | validation | error | http, headers, proxy, configuration |
| Could not find server asset | exception | error | server-assets, adapter-bun, build-artifacts |
| Malformed tsconfig | exception | error | typescript, tsconfig, json, parse-error, configuration |
| Redirects are not allowed in commands. Return a result… | exception | error | remote-functions, redirect, api-design |
| Cannot build with because Bun treats literal `*` characters… | validation | error | bun, routing, adapter-bun |
| Cannot use `match(...)` inside a service worker, as it… | exception | error | sveltekit, service-worker, paths, unsupported-context |
| should be a number, if specified | validation | error | sveltekit, config-validation, type-error, number |
| : Calling `event.fetch(...)` in a promise handler after… | console | warning | load-function, fetch, sveltekit, server |
| incomplete file data | exception | error | files, upload, stream-truncation, network |
| is missing | exception | error | config, template, build-time, placeholder |
| The publish directory cannot be set to the site root… | validation | error | config, netlify, publish-directory |
| The `status` property of `handleError` is deprecated. Use… | console | warning | deprecation, handleerror, hooks |
| called parse before init_transport | exception | error | serialization, devalue, transport, client, initialization-order |
| Can only call updated.check() in the browser | exception | error | ssr, updated, browser-only |
| Cannot call submit() before the form is attached | exception | error | remote-forms, lifecycle, client |
| ` ` exported from is invalid — all exports from this file… | exception | error | remote-functions, module-exports, sveltekit |
| precompress is ignored with buildOptions.compile: embedded… | console | warning | adapter-bun, precompress, config, build |
| should be one of " " or | validation | error | config, validation, sveltekit |
| Could not determine clientAddress | exception | error | dev-server, socket, client-address |
| File extensions must be alphanumeric — saw | validation | error | config, validation, regex |
| Cannot call (...) before router is initialized | exception | error | navigation, lifecycle, initialization |
| Cannot call submit() on the server | exception | error | |
| Could not locate . Please move it to be located relative to… | validation | error | vite, assets, image-optimization, svelte |
| Use `event.cookies.set(name, value, options)` instead of… | exception | error | cookies, setheaders, hooks |
| Could not deserialize binary form: too short | exception | error | |
| Each member of must be either '*' or an absolute path… | validation | error | sveltekit, config-validation, prerender |
| Instrumentation file | exception | error | sveltekit, adapter, instrumentation, internal |
| Mismatched route config for | exception | error | routing, config, build |
| @sveltejs/enhanced-img requires… | validation | error | vite, svelte, dependency-version, build |
| : `__pathname` is a reserved query parameter for… | validation | error | config, vercel, isr, reserved-keyword |
| Multiple layout component files found in | exception | error | routing, config, duplicate-files |
| Address header was specified with | validation | error | http, headers, proxy, adapter-node |
| Form cannot contain duplicated keys | validation | error | forms, duplicate-key, data-conversion |
| ' ' has no `+page`, so there is no code to preload. If you… | console | warning | preloading, routing, client-side |
| The `goto(..., })` option has been deprecated in favour of… | console | warning | deprecation, navigation, client-side |
| Cannot call ' .withOverride()' on the server | exception | error | remote-functions, query, ssr, testing |
| Could not find prerendered page | exception | error | prerender, adapter-bun, build-artifacts |
| Could not auto-detect a runtime. Please explicitly specify… | validation | error | vercel, adapter, configuration, node-version |
| Live query completed before yielding a value | exception | error | query-live, streaming, async-generator, client |
| SvelteKit configuration | validation | error | config, migration, breaking-change, sveltekit |
| Cannot call a command | exception | error | |
| : Accessing `params. ` in a promise handler after… | console | warning | load-function, params, sveltekit, server |
| Cannot call ' (...).updates(...)' on the server | exception | error | |
| is no longer used. Please pass configuration via the… | exception | error | config, vite, migration, breaking-change |
| Unsupported Bun version | validation | error | vercel, bun, versioning, build |
| Cannot redirect to with ` `. The `javascript:` and `data:`… | exception | error | redirect, xss, security, validation, sveltekit |
| Cannot use prerendering if config.csp.mode === "nonce" | exception | error | csp, prerendering, config |
| only one socket is allowed for socket activation, but… | validation | error | node, socket-activation, environment, systemd |
| A form object can only be attached to a single | exception | error | remote-functions, forms, sveltekit |
| Invalid query.live response | http | error | query-live, network, content-type, streaming |
| reconnectAll() is invalid for regular queries. Use… | exception | error | remote-functions, queries, api-misuse |
| Unsupported Node.js version | validation | error | vercel, node, versioning, build |
| a load function returned ` : data instanceof Response ? 'a… | exception | error | load, sveltekit, serialization |
| option must be an absolute path, if specified. See… | validation | error | config, paths, url, validation |
| does not specify getClientAddress. Please raise an issue | exception | error | adapter, client-address, ssr |
| refreshAll() is invalid for live queries. Use… | exception | error | remote-functions, live-queries, api-misuse |
| The `goto(..., })` option has been deprecated in favour of… | console | warning | deprecation, navigation, client-side |
| `asset(' ')` should now be `asset(' ') | console | warning | deprecation, paths, assets |
| Cannot save as is already a file. See… | exception | error | prerender, route-conflict, filesystem |
| `$env/static/private` is deprecated, use `$app/env/private`… | console | warning | deprecation, environment, env-variables, imports, sveltekit |
| Passing an `App.Error` body as the second argument is… | console | warning | deprecation, error-handling, api-migration |
| Cannot export `default` from a remote module | exception | error | remote-functions, module-exports, sveltekit |
| Could not install . Please install it yourself by adding it… | exception | error | auto-install, adapter-auto, package-manager, ci |
| The and routes must be merged into a single function that… | validation | error | config, vercel, routes, conflict |
| You must specify the `assets.binding` key in | exception | error | cloudflare, wrangler-config, adapter-config, static-assets |
| You need to install TypeScript if you want to transpile… | exception | error | typescript, dependencies, transpilation, installation |
| Cannot add tasks to a queue that has ended | exception | error | build, queue, lifecycle |
| Cannot build with because Bun treats a route segment… | validation | error | bun, routing, adapter-bun |
| Cannot set cookies in `query` or `prerender` functions | exception | error | remote-functions, cookies, queries, api-restriction |
| must be a positive integer | validation | error | http, headers, proxy, configuration |
| @sveltejs/adapter-netlify >=2.x (possibly installed through… | validation | error | version-compatibility, netlify, build |