vercel/ai
Documented errors, page 6 of 6. Back to vercel/ai
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Invalid argument for parameter schema: Element schema is… | validation | error | invalid-argument, missing-schema, array-output, input-validation |
| Invalid input for tool | validation | error | tool-calling, json, model-output |
| Prodia multipart response missing output video | exception | error | network, multipart, video, empty-response, prodia |
| Video model does not implement doStart. Use generateVideo… | exception | error | video, capability, unsupported-operation |
| Chunking function must return a match that is a prefix of… | exception | error | streaming, smooth-stream, custom-detector |
| File URL data | exception | error | bedrock, file-parts, s3, unsupported-functionality |
| Fireworks image generation failed with status | exception | error | image-generation, polling, fireworks, provider-error |
| MCP SSE Transport Error: Not connected | exception | error | sse, lifecycle, not-connected |
| AssemblyAI does not provide language models | exception | error | unsupported-model-type, provider-capability, transcription |
| API key must be a string. The value of the environment… | exception | error | api-key, environment, testing, validation |
| ACP source.packageJson must not be empty. | validation | error | acp, validation, configuration, npm |
| Unsupported content type in assistant message | exception | error | mistral, prompt-conversion, assistant-message, unsupported-part |
| Model tried to call unavailable tool | exception | error | tool-calling, naming, configuration |
| : Value stream is locked and cannot be updated. | exception | error | streaming, rsc, lifecycle, locked-stream |
| Failed to fetch chat | http | error | network, http, transport |
| The Google Generative AI model function cannot be called… | exception | error | google, typescript, incorrect-usage, provider-factory |
| DeepSeek assistant prefix completion requires the prefixed… | exception | error | deepseek, prefix-completion, message-order |
| google.interactions: background POST response did not… | exception | error | google, interactions, background, streaming, api-response |
| Invalid ui/open-link params | validation | warning | mcp-apps, validation, iframe, json-rpc |
| Invalid ui/request-display-mode params | validation | warning | mcp-apps, validation, iframe, display |
| file part data type | exception | error | mistral, unsupported-functionality, file-part, prompt-conversion |
| The Bedrock Mantle model function cannot be called with the… | exception | error | api-misuse, typescript, provider |
| Luma AI modify_image only supports a single input image… | exception | error | validation, image-limits, modify-image, luma |
| Server's protocol version is not supported | exception | error | mcp, protocol-version, handshake, compatibility |
| DeepSeek image URLs must not exceed 8192 characters. | exception | error | deepseek, image, url-length-limit |
MINIMAX_VIDEO_GENERATION_EXPIRED MiniMax video generation request expired. Task ID | exception | error | minimax, video-generation, task-expired, async-polling |
TranscriptionJobFailed Transcription job failed | error_code | error | transcription, job-failed, api-error, revai |
| ACP source.pnpmLockYaml must not be empty. | validation | error | acp, validation, configuration, pnpm |
| Tool " " not found | exception | error | tools, workflow, agent |
| ACP runtime environment key | validation | error | configuration, environment, security, validation |
| Unsupported file mime type | exception | error | unsupported-functionality, bedrock, document, mime-type |
| setting is missing. Pass it using the ' ' parameter… | exception | error | configuration, environment, edge-runtime, settings |
| DeepSeek `fileData` image parts require inline data, not a… | exception | error | deepseek, image, filedata, invalid-combination |
| DeepSeek strict tool calls require a beta base URL ending… | exception | error | deepseek, tools, strict, beta, base-url |
| Not supported. You must use a /sync/v1 endpoint for chat… | exception | error | configuration, url, baseten, chat |
| Recovered ACP session is disposed. | exception | error | acp, session, lifecycle |
| ElevenLabs does not provide image models | exception | error | provider-capability, image-generation, no-such-model |
| 'HarnessAgent: pass either `activeTools` or… | validation | error | configuration, tools, validation |
| Open Responses extension | validation | error | open-responses, extension, item-decoding, validation |
| Pi session has been stopped. | exception | error | lifecycle, stopped-session |
| MCP client initialization was aborted | exception | warning | mcp, abort, cancellation, timeout |
| Workflow run ID not found in "x-workflow-run-id" response… | exception | error | http, headers, transport |
| The Google Vertex AI model function cannot be called with… | exception | error | javascript, api-misuse, google-vertex |
| `provider` is no longer needed in `streamUI`. Use `model`… | exception | error | api-misuse, migration, renamed-api |
| imageModel | exception | error | unsupported-model-type, image-generation, provider-capability |
| google.interactions: cannot poll a background interaction… | exception | error | google, interactions, background, polling, missing-id |
| Open Responses extension | validation | error | open-responses, extension, input-item-encoding, validation |
| Unsupported video mime type | exception | error | unsupported-functionality, bedrock, video, mime-type |
| prepareSandboxForHarness: at least one harness must be… | exception | error | sandbox, validation, configuration |
| Luma AI image supports up to 4 reference images. You… | exception | error | validation, image-limits, reference-images, luma |
| The ACP harness supports only portable text prompts and… | exception | error | acp, multimodal, audio, unsupported-content |
| setting is missing. Pass it using the ' ' parameter or the… | exception | error | configuration, environment, settings |
| `functions` is not supported in `streamUI`, use `tools`… | exception | error | api-misuse, migration, renamed-api |
| : Value stream is already closed. | exception | error | streaming, rsc, lifecycle, closed-stream |
| Tool definition in `streamUI` should not have `render`… | exception | error | api-misuse, migration, tools |
| Invalid argument for parameter enumValues: Enum values are… | validation | error | invalid-argument, enum-values, object-output, input-validation |
| LMNT does not provide image models | exception | error | provider, no-such-model, image, wrong-provider |
| maxRetries must be an integer | exception | error | mcp, configuration, validation, mcp-client |
| ACP profile data must resolve to an object. | exception | error | acp, validation, configuration |
| API key must be a string. The value of the environment… | exception | error | fal, api-key, environment, type-error |
| The Bedrock Anthropic model function cannot be called with… | exception | error | typescript, javascript, api-usage |
| Invalid argument for parameter schemaDescription: Schema… | validation | error | invalid-argument, schema-description, enum-output, input-validation |
| Invalid argument for parameter schemaName: Schema name is… | validation | error | invalid-argument, schema-name, no-schema, input-validation |
| Chunking RegExp must not match an empty string. | exception | error | streaming, smooth-stream, regex |
| Invalid argument for parameter schema: Schema is not… | validation | error | invalid-argument, schema, enum-output, input-validation |
| Not supported. You must use a /sync or /sync/v1 endpoint… | exception | error | configuration, url, embeddings, baseten |
| LMNT does not provide embedding models | exception | error | provider, no-such-model, embeddings, wrong-provider |
| params.values must be an array of strings | exception | error | validation, embeddings, baseten, typescript |
| Both apiKey and tokenProvider were provided. Please use… | validation | error | authentication, configuration, azure |
| Unsupported MCP App resource URI | exception | error | mcp, mcp-apps, uri, validation |
| DeepSeek `imageDetail` cannot be combined with `fileData`. | exception | error | deepseek, image, filedata, imagedetail, invalid-combination |
| API key is missing. Pass it using the 'apiKey' parameter or… | exception | error | fal, api-key, missing-env-var, configuration |
| Invalid argument for parameter enumValues: Enum values are… | validation | error | invalid-argument, enum-values, array-output, input-validation |
| .append(): The value is not a string. Received | exception | error | streaming, rsc, type-error, append |
| Black Forest Labs supports up to 10 input images. | exception | error | image-generation, validation, limits, black-forest-labs |
| No model URL provided for embeddings. Please set modelURL… | exception | error | configuration, embeddings, baseten |
| maxRetries must be >= 0 | exception | error | mcp, configuration, validation, mcp-client |