langchain-ai/deepagents
Documented errors, page 6 of 8. Back to langchain-ai/deepagents
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| --model-params requires a JSON object value | validation | error | cli, argument-parsing, json, python |
| backend must be an initialized backend instance. Backend… | validation | error | python, breaking-change, backend, migration |
| Namespace component at index | validation | error | python, validation, store-backend, namespace, value-error |
| Unsupported notification type | exception | error | valueerror, hooks, mapping, notification |
| Auto mode rejects action batches with duplicate tool-call… | validation | error | auto-mode, tool-call, validation, duplicate |
| `expires_at` must be set when `logged_in` is True. | validation | error | python, validation, dataclass, auth |
| must be a string, got | validation | error | mcp, type-error, config-validation |
| hook_responses must be a JSON object. | validation | error | type-error, validation, hooks, payload |
| Manual mode could not be persisted | exception | error | hitl, approval-mode, persistence |
| Marketplace manifest | exception | error | json, schema, marketplace, validation |
| media path must be a local filesystem path | validation | error | media, path, validation, security |
| response_schema exceeds | validation | error | validation, schema, limits, subagent |
| Cannot combine 'all' with other commands in… | validation | error | cli, config, security, validation |
| schedule duration must be a single value such as '30m' | validation | error | cron, parsing, schedule, validation |
| unsupported outbound media file type | validation | error | media, validation, filetype |
| Goal criteria request field | validation | error | validation, typeerror, type-mismatch |
| RewarmEstimate costs must be non-negative, got cold= | validation | error | validation, dataclass, config |
| context. must be a string or null, got . | validation | error | python, validation, type-error, context, offload |
| `expires_at` is only meaningful when `logged_in` is True. | validation | error | python, validation, dataclass, state |
| Plugin source directory not found | exception | error | plugins, filesystem, path, install |
| user_cwd must be absolute, got | validation | error | path, validation, configuration |
| row has cells, expected | validation | error | markdown, rendering, data-shape |
| Unsupported hooks trust store version | validation | error | trust, versioning, migration |
| agent hit tool approval interrupt limit | exception | error | human-in-the-loop, interrupts, limit |
| cron tools must be called from within a Talon conversation | exception | error | runtime, context, cron, misuse |
| Failed to rescaffold server workspace at | exception | error | filesystem, permissions, scaffold |
| cron retention window cannot be negative | validation | error | cron, validation, argument-error, retention |
| Error: Not in a project directory. | console | warning | skills, cli, git, project |
| `interpreter_ptc` list entries cannot include 'all'; use… | validation | error | config, toml, validation, security |
| ServerSelection.server_name must not be empty | validation | error | mcp, oauth, validation, value-error |
| context_lines must be non-negative | validation | error | python, argument-validation, grep |
| unsupported media mime type | exception | error | media, validation, channels |
| Callback URL is missing the 'code' parameter. | exception | error | mcp, oauth, callback, validation |
| MCPServerInfo : status='ok' cannot carry an error (got ) | validation | error | mcp, invariant, value-error, dataclass |
| response_schema exceeds maximum nesting depth of | validation | error | validation, schema, limits, recursion |
| : : malformed tools.json: expected tools list | error_code | error | json, config, validation, mcp |
| UnixSocketEventSource.serve_forever called before start() | exception | error | event-bus, lifecycle, asyncio, unix-socket |
| Server ' ' has unsupported transport type ' '. Supported… | validation | error | mcp, config-validation, transport, unsupported-type |
| uv tool receipt contains invalid extras on the tool… | exception | error | uv, extras, validation |
| workspace. is not a directory | validation | error | filesystem, path, workspace, validation |
| 'mcpServers' field is empty - no servers configured | validation | error | config, mcp, validation, empty-config |
| Provider name cannot be empty | validation | error | auth, validation, input-error |
| question text must not be blank | validation | error | validation, ask-user, dcode, valueerror |
| must be a positive integer byte count | validation | error | config, env, validation |
| thread has no workspace binding | exception | error | workspace, conflict, binding, thread |
| `interpreter_ptc` list entries must be non-empty strings… | validation | error | config, toml, validation |
| `max_ptc_calls` must be >= 1 or None | validation | error | validation, configuration, limits, ptc |
| 'mcpServers' field must be a dictionary | validation | error | config, mcp, type-error, validation |
| preloaded thread history requires resume_thread_id | validation | error | remote-agent, thread-state, argument-validation |
| Tool call ID is required for subagent invocation | validation | error | python, subagents, tool-call, valueerror |
| Invalid model configuration for | validation | error | model-config, langchain, validation |
| uv tool receipt is missing `[tool].requirements` | exception | error | uv, receipt-schema, validation |
| Video frame dimensions | exception | error | video, image-size, resource-limit, security |
| Class ' ' not found in module ' ' for provider | exception | error | config, import, attribute |
| ConfigResolution must have at least one used path | validation | error | mcp, config, invariant, value-error |
| Could not read marketplace manifest | exception | error | filesystem, permissions, marketplace, io |
| deepagents requires langchain-openrouter>= | exception | error | dependency, version, openrouter, import |
| Path must start with one of | validation | error | path-traversal, security, allowlist |
| RubricMiddleware: ` ` must be callable. | exception | error | python, validation, constructor, type-error |
| : : malformed tools.json | error_code | error | json, validation, config, zip |
| str(exc) | error_code | error | mcp, config, json, wrapping |
| Invalid approval mode | validation | error | approval-mode, enum, invalid-value |
| Invalid DEEPAGENTS_HOME | exception | error | filesystem, paths, configuration |
| task() field `responseSchema` must be an object when… | validation | error | validation, quickjs, task-bridge |
| Deep Agents graph does not expose async invocation | exception | error | async, compatibility, graph |
| Git marketplace source is missing repository metadata | exception | error | configuration, types, git, marketplace |
| Invalid backend route prefix | validation | error | extensions, backend-route, validation |
| : zip entry uncompressed size exceeds limit | error_code | error | zip, limits, size-limit, validation |
| No frames decoded for window | exception | error | video, empty-result, pyav |
| ` ` must be a mapping, got | exception | error | python, type-error, validation, mapping |
| Server ' ' has type 'stdio' but also declares a 'url'… | validation | error | mcp, config-validation, stdio, conflicting-fields |
| Windows absolute paths are not supported | validation | error | path-traversal, windows, validation |
| Failed to open video payload | exception | error | video, pyav, decoding, corrupt-input |
| read_file must be included in tools; it is required by… | validation | error | python, filesystem, configuration, validation |
| Failed to initialize model | exception | error | network, auth, sdk, model-init |
| invalid exposure mode ; expected one of | validation | error | config, env, enum-validation |
| module has no attribute | exception | error | python, attributeerror, deprecated-api |
| `snapshot_signing_key` must be a non-empty str or bytes. | validation | error | validation, configuration, hmac, snapshots |
| ffmpeg not found on PATH; install ffmpeg to enable voice… | exception | error | ffmpeg, voice, path, environment |
| media path escapes outbound root | validation | error | media, path, security, symlink |
-32602 cwd: must match the working directory used to create the session | error_code | error | python, toml, validation, config, allowlist |
| Auto mode requires every proposed tool call to have an ID | validation | error | auto-mode, tool-call, validation, model-output |
| langgraph.json not found in | exception | error | config, missing-file, scaffold |
| media path must be a local relative path under the outbound… | validation | error | media, path, validation, security |
| {source}: {_display_path(path)}: {exc} | error_code | error | filesystem, io, zip, environment |
| `mode` must be one of 'thread', 'turn', or 'call'. | validation | error | validation, configuration, middleware, snapshots |
| Path traversal not allowed | validation | error | python, path-traversal, security, filesystem |
| workspace context is required | validation | error | workspace, type-error, context, validation |
-32002 Resource not found: session_id | error_code | error | python, toml, type-error, config, allowlist |
| Download of exceeded s deadline | exception | error | network, timeout, download |
| Unsupported `ptc` config type. Use a list of tool names… | validation | error | ptc, type-error, config, validation |
| Extension backend route | exception | error | extensions, backend-route, sandbox, security-policy |
| Extra is not installed. Selected extras | exception | error | extras, validation, not-installed |
| Goal amendment requests require criteria and feedback. | validation | error | validation, valueerror, goal-criteria |
| PendingNotification.key must be non-empty | validation | error | python, validation, notifications, dataclass |
| retention_revisions must be nonnegative | validation | error | validation, transcript, value-error |
| offset_seconds must be >= 0, got | exception | error | video, validation, argument-error |
| a successful write cannot carry an error detail | validation | error | invariant, configuration, file-write |
| API key cannot be empty | validation | error | auth, validation, input-error |
| PendingNotification has primary actions; at most one is… | validation | error | python, validation, notifications, dataclass |