apify/crawlee
Documented errors, page 2 of 2. Back to apify/crawlee
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| No browser context available | exception | error | stagehand, playwright, browser-context, cdp |
| Cannot honour a pacing signal scoped to | exception | error | throttling, configuration, scope |
| Page object was used in HTTP-only request handler | exception | error | adaptive-crawler, playwright, http-only, crawlee |
| The `tieredProxyUrls` option has been removed in Crawlee… | exception | error | proxy, breaking-change, migration, configuration |
| Cannot honour a crawl-delay floor covering every domain… | exception | error | throttling, configuration, crawl-delay |
| Stagehand act() failed | exception | error | stagehand, ai, act, llm |
| Could not resolve StagehandController for page — is the… | exception | error | stagehand, browser-pool, configuration |
| The state object is not consistent with RequestList, too… | exception | error | request-list, state, consistency, corrupted-state |
| The "value" parameter was stringified to JSON and returned… | validation | error | serialization, json, undefined |
| Duplicate load signal name | validation | error | autoscaling, system-status, configuration, core |
| The `response` property is not available. This might mean… | exception | error | lifecycle, browser, navigation |
| Provided browserPlugin is not one of the plugins used by… | validation | error | configuration, plugins, browser-pool |
| Cannot open storage with alias | exception | error | storage, naming-conflict, configuration |
| Blocked by Cloudflare when processing | exception | error | cloudflare, session-rotation, proxy, anti-bot, crawlee |
| Statistics.startCapturing() was already called - this… | exception | error | statistics, lifecycle, double-initialization |
| The `request.loadedUrl` property is not available -… | exception | error | skip-navigation, loaded-url, http-crawler |
| This crawler instance is already running, you can add more… | validation | error | concurrency, lifecycle, crawler-run |
| Recoverable state has not yet been loaded - call… | exception | error | lifecycle, state, initialization |
| The `requestManager` option cannot be used in conjunction… | validation | error | configuration, request-queue, invalid-options |
| Request object's uniqueKey must be a non-empty string | validation | error | validation, unique-key, request-list |
| Request options are not valid, the 'url' property is not a… | validation | error | validation, request-queue, type-error |
| One of "options.proxyUrls" or "options.newUrlFunction"… | validation | error | proxy, configuration, missing-argument |
| The ConcurrencySystem this AutoscaledPool borrows has not… | exception | critical | autoscaling, autoscaled-pool, lifecycle, core |
| " " is not a valid hostname. The `domains` option takes… | validation | error | validation, configuration, throttling |
| Chunk size must be a positive number | validation | error | validation, iterables, batching |
| Too many redirects ( ) while requesting | http | error | http, redirect, network |
| Cannot create Request from type | exception | error | validation, request-list, type-error |
| ServiceConflictError('StorageBackend', storageBackend… | exception | error | storage, dependency-injection, lifecycle |
| The "urls" parameter must be an array | exception | error | validation, argument-type, email-extraction |
| Cannot combine custom proxies "options.proxyUrls" with… | validation | error | proxy, configuration, conflicting-options |
| exclusiveStartKey " " was not found in the key-value store… | exception | warning | key-value-store, pagination, memory-storage |
| The request is not being processed | exception | error | state, request-list, lifecycle |
| ]`)}: All attempts failed, and will not be retried | exception | error | cli, network, retries-exhausted, template-download |
| The state object is invalid: nextIndex must be a… | exception | error | request-list, state, validation, corrupted-state |
| Cannot open storage with name | exception | error | storage, naming-conflict, configuration |
| The `response` property is not available - `skipNavigation`… | exception | error | skip-navigation, response, http-crawler |
| Request blocked - received | exception | error | network, anti-bot, session |
| availableMemoryRatio is not set in configuration. | validation | error | autoscaling, memory, configuration, core |
| ServiceConflictError('EventManager', eventManager… | exception | error | event-manager, dependency-injection, lifecycle |
| The `$` property is not available - `skipNavigation` was… | exception | error | cheerio-crawler, skip-navigation, api-misuse |
| Cannot persist state. options.persistStateKey is not set. | exception | error | request-list, persistence, configuration |
| Configuration is immutable. Pass options via the… | exception | error | configuration, immutability, core, typescript |
| Unsupported content type | exception | error | dataset, export, content-type |
| Route not found for label | exception | error | routing, configuration, request |
| Loading requests with sourcesFunction failed. Cause | exception | error | request-list, network, sources-function |
| The `document` property is not available - `skipNavigation`… | exception | error | jsdom, skip-navigation, dom, api-misuse |
| `Request` options must be an object, got the string | exception | error | typescript, api-misuse, request |
| At least one of "sources" or "sourcesFunction" must be… | exception | error | validation, request-list, configuration |
| Unsupported format: ' '. Use one of | validation | error | configuration, dataset-export, validation |
| Cannot set() a borrowed OwnedOrInjected value | exception | error | lifecycle, dependency-injection, initialization |
| ServiceConflictError('Logger', logger, this.#logger) | exception | error | logging, dependency-injection, lifecycle |
| `alwaysEnqueue` cannot be used together with a custom… | exception | error | request, configuration, validation |
| The `contentType` property is not available -… | exception | error | skip-navigation, content-type, http-crawler |
| The `gotoOptions` property is not available until… | exception | error | lifecycle, browser, navigation |
| Experimental containers are only available with Playwright | validation | error | browser-pool, puppeteer, playwright, unsupported-feature |
| The `waitForSelector` method is not available -… | exception | error | skip-navigation, wait-for-selector, http-crawler |
| Request with GET method cannot have a payload. | exception | error | http, request, validation |
| Cannot add session with id | exception | error | session, duplicate, session-pool |
| Data item is not serializable to JSON. Cause | validation | error | dataset, json, serialization |
| RequestList sources are already loading or were loaded. | exception | error | request-list, lifecycle, double-initialization |
| The `parseWithCheerio` method is not available -… | exception | error | skip-navigation, cheerio, http-crawler |
| Data item is not an object. You can push only objects into… | validation | error | dataset, validation, json |
| The HTTP method CONNECT is not supported by the… | exception | error | http, unsupported-method, got-scraping |
| The `json` property is not available - `skipNavigation` was… | exception | error | skip-navigation, json, http-crawler |
| OwnedOrInjected value is already initialized | exception | error | lifecycle, initialization, double-initialization |
| The project name cannot be empty string. | validation | error | cli, validation, input-validation |