n8n-io/n8n
Documented errors, page 10 of 11. Back to n8n-io/n8n
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| oldString not found in file | exception | error | filesystem, validation, computer-use |
| Sandbox npm install failed | exception | error | |
| Agent " " requires a model | exception | error | agent, model, configuration, build |
| Azure AI Search API error | exception | error | azure-ai-search, vector-store, rest-error, document-upload, http-status |
| Driver not Connected | exception | critical | typeorm, postgres, database, lifecycle, connection-pool |
| Invalid message type. Only imageBinary and imageUrl are… | exception | error | configuration, message-template, vision-model, parameter-validation |
| No matching rule found | exception | error | model-selector, rules, fallback, config |
| Require a sessionId for the listing of tools | exception | error | |
| Failed to install workspace package tarballs | exception | error | |
| File does not seem to contain valid workflows. | exception | error | cli, import, workflow, file-format, validation, type-guard, user-error |
| Found matches. Please provide more context to make the… | exception | error | |
| Missing 'valueNumber' for 'greaterThan' operator. | exception | warning | weaviate, filter, validation, operator, number |
| Parameter is not a valid JSON | exception | error | ai-tool, llm-input, json, http-request-tool, validation |
| Workflow must be started from a chat trigger node | exception | error | chat-trigger, configuration, workflow-topology, ai-tool |
| CSV file not found at | exception | error | |
| Missing 'valueGeoCoordinates' for 'withinGeoRange' operator. | exception | warning | weaviate, filter, validation, operator, geo |
PREFER_PREDEFINED_CREDENTIAL This request targets a service with a dedicated n8n credential | error_code | error | |
| Provided "limit" value is not a number. Please provide a… | exception | error | typeorm, query-builder, validation, pagination |
| Version " " not found for workflow " " ( ) | exception | error | cli, export, workflow, version, history, user-error |
| Error inserting documents into ChromaDB | exception | error | chromadb, vector-store, catch-all, insert, node-operation-error, langchain |
| nodeJson() requires a node or node name. | exception | error | expression, validation, sdk, runtime |
| Request to S3 failed | exception | error | s3, blob-storage, unexpected, sdk-error, catch-all |
| Sandbox setup failed | exception | error | |
| SplitInBatches node error handling is managed by… | exception | error | runtime, builder, split-in-batches, error-handling |
| Tool " " returned an error | exception | error | |
| can't be used on value | exception | error | |
| Invalid JSON: failed to parse | validation | error | |
| isBetween(): expected exactly two args | exception | error | expression, date, arguments, argument-count |
| Project roles are managed automatically and cannot be… | exception | error | rbac, sso, scim, provisioning, projects |
| "Response Mode" in the chat trigger node must be set to… | exception | error | chat-trigger, configuration, response-mode |
| Security violation: 'eval()' is not allowed | exception | error | sdk, validators, security, eval, code-injection |
| Unknown IANA timezone | validation | error | scheduler, cron, timezone, validation |
| keys and values not of equal length | exception | error | expression, array, length-mismatch, validation |
| Parsing failed. Check you're using double quotes | exception | error | |
| The provided workflow is not valid JSON | exception | error | |
| Agent run was aborted | exception | error | set-node, assignments, parameters, node-version |
| No data source found, please configure data source | exception | error | langchain, agent, sql, configuration, data-source |
| Not connected to a browser | exception | error | not-connected, state, connect, validation |
| .onCase() is only available on Switch nodes | exception | error | runtime, builder, switch-node, branching |
| Admin cannot change role on global owner | exception | error | users, rbac, role-change, forbidden, owner, admin, authorization |
| Agent node " " not found in workflow | exception | error | |
| Column " " of Entity " " is defined as enum, but missing… | exception | error | enum, column, metadata, startup |
| Failed to list ChromaDB collections | exception | error | chromadb, vector-store, catch-all, node-api-error, langchain |
| () is only callable on types | exception | error | expression, type-mismatch, dispatch |
| Invalid line number . File has lines (valid range: 0- ). | validation | error | |
| Missing 'valueNumber' for 'lessThan' operator. | exception | warning | weaviate, filter, validation, operator, number |
| No workflows with published versions found. | exception | error | cli, export, workflow, published, bulk, user-error |
| Sticky notes do not support input connections | exception | error | runtime, builder, sticky-note, connections |
| Instance AI runtime workspace has no filesystem. | exception | error | |
| Named object syntax does not support .onDone() - branches… | exception | error | runtime, builder, split-in-batches, fluent-api |
| The node does not have a "Main" output set. Please add one. | exception | error | configuration, code-node, outputs, parameter-validation |
| Workflow source file not found | exception | error | |
| Failed to read prebuilt-workflows manifest at | exception | error | filesystem, json, configuration, manifest |
| Missing binary data ID | exception | warning | binary-data, rest, bad-request, validation |
| Node type not found | exception | error | eval-harness, stub-services, node-catalogue, configuration |
SET_INVALID_MODE uses unsupported Set node mode " ". Use "manual" for field mapping or "raw" for… | validation | error | |
| cannot convert to float | exception | error | |
| Failed to parse query | exception | error | tool-executor, json, parsing, config |
| Failed to write file | exception | error | |
| Invalid response format from template | exception | error | api, templates, type-guard, network, ai-workflow-builder |
| The --file flag is no longer supported. Please first import… | exception | error | cli, execute, breaking-change, user-error |
| No sentiment categories provided | exception | error | configuration, parameter-validation, sentiment-analysis |
| N8N_INSTANCE_AI_SANDBOX_TIMEOUT must be a positive number… | exception | error | configuration, env-vars, validation, timeout |
| No prompt rows found in the provided CSV file | exception | error | |
| The response type must be an object or an array of objects | exception | error | http-request-tool, response-optimization, json, ai-tool |
| Unauthorized for this project | exception | error | |
| Attempted to create a new project but quota is already… | exception | error | license, quota, projects |
| Column " " was not found in the " " table. | exception | error | database, migration, sqlite |
HARDCODED_CREDENTIALS ' ' has a hardcoded value for sensitive header " ". Should create credentials… | validation | error | |
| Security violation: 'Function()' is not allowed | exception | error | sdk, validators, security, function-constructor, code-injection |
| Set N8N_AI_ANTHROPIC_KEY or ANTHROPIC_API_KEY — the judge… | exception | error | env, config, llm, auth |
| DAYTONA_API_URL is required for sandbox provider "daytona"… | exception | error | configuration, env-vars, sandbox, daytona |
| Guardrail " " requires a type | exception | error | guardrail, builder, validation |
| Image generation failed | exception | error | minimax, image-generation, api-error, content-moderation |
| must be a positive number, got " ". | exception | error | cli, validation, args |
| No rules defined | exception | error | model-selector, rules, config, validation |
| Can't use a placeholder for the domain when using… | exception | error | |
| Invalid Credential type | exception | warning | credentials, validation, i18n, nodes |
| n8n API failed ( ) | exception | error | network, n8n-api, http |
| No binary data set. | exception | error | binary-data, configuration, parameter-validation, per-item |
| No MCP OAuth2 credential type found | exception | error | |
| Failed to load headers file | exception | error | i18n, build, assets, nodes |
| MCP server search is not available on this instance. | exception | error | |
| Owner cannot change role on global owner | exception | error | users, rbac, role-change, forbidden, owner, authorization |
| To use streams you should install pg-query-stream package… | exception | error | typeorm, postgres, streams, dependencies, database |
| Authorization failed - insufficient permissions for… | exception | error | azure-ai-search, vector-store, authorization, document-upload, http-403 |
| `--checks` is only supported for `--suite binary-checks` | exception | error | |
| Execution was cancelled | exception | error | |
| The provided CSV file is empty | exception | error | |
| The value in the "Extra Body" field must be a JSON object | exception | error | openai, llm, json, type-mismatch, configuration |
| No audio data returned | exception | error | minimax, tts, response-shape, transient |
| Request to delete a user failed because the user to delete… | exception | error | users, delete, rest-api, not-found |
| Supplied unique constraint was not found in table | exception | error | database, migration, sqlite, constraints |
| Default webhook url not set | exception | error | chat-trigger, webhook, environment, configuration |
| Failed to create sandbox workspace directory | exception | error | |
| Parsing failed | exception | error | |
| cannot convert to number | exception | error | |
| MongoDB connection error | exception | error | |
| No tool inputs found | exception | error | tool-executor, connections, langchain, config |
| Azure AI Search endpoint is missing or invalid | exception | error | credentials, configuration, azure-ai-search, vector-store, validation |