langchain-ai/deepagents
Documented errors, page 4 of 8. Back to langchain-ai/deepagents
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| MCP server ' ': configured command not found on PATH… | validation | error | mcp, stdio, path, environment |
| argv must be a non-empty list of strings when provided. | validation | error | validation, pydantic, config, hooks |
| Device code request failed: HTTP | exception | error | mcp, oauth, device-flow, http, network |
| Failed to instantiate | exception | error | config, instantiation, kwargs |
| Failed to read credential file | exception | error | filesystem, permissions, credentials |
| remote source must not contain credentials | validation | error | validation, security, url, credentials |
| External editor executable or temporary file was not found | exception | error | editor, file-not-found, path, environment |
| External event must be a JSON object | validation | error | json, ipc, event-bus, schema |
| Goal criteria request requires an objective. | validation | error | validation, valueerror, goal-criteria |
| PreCompact requires a stable tool-call identity | exception | error | hooks, identity, value-error |
| Server configuration changed after the workspace was bound. | exception | error | workspace, configuration, drift, session |
| ManagedConfigError(provider.status) | exception | error | mcp, config, provider-health, managed-config |
| : invalid zip file | exception | error | import, zip, file-format, corrupt-file |
| Unbalanced braces in --model-params value | validation | error | cli, argument-parsing, json, shell |
| workspace_config must be an object | validation | error | workspace, type-error, validation, config |
| workspace configuration must be JSON serializable | validation | error | workspace, json, serialization, validation |
| ask_user failed internally after its arguments were… | exception | error | internal-error, pydantic, tool-schema |
| manifest option 'interpreter.enable_interpreter' is… | exception | error | configuration, manifest, interpreter |
| Marketplace must contain a plugins array | exception | error | json, schema, marketplace, validation |
| Offload result has no status. | exception | error | offload, protocol, validation, remote |
| RubricMiddleware: `build_grader_state` cannot set… | validation | error | python, rubric, runtime-error, value-error |
| thread display options are missing from the configuration… | exception | error | configuration, manifest, cli |
| must be absolute | validation | error | validation, paths, configuration |
| Extra is also provided by and cannot be removed… | exception | error | extras, conflict, dependencies |
| cron schedules must be at least 1 minute | validation | error | cron, scheduling, validation |
| Hook process pipes are unavailable | exception | error | brokenpipe, asyncio, subprocess, hooks |
| archive read failed for | exception | error | archive, backend, io, offload |
| Failed to initialize Codex model | exception | error | model-config, codex, initialization, corrupted-state |
| task bridge called outside active eval | exception | error | concurrency, quickjs, task-bridge |
| Thread not found | console | error | cli, not-found, thread-id |
| ` ` entries must be plain middleware names; class-path… | validation | error | config, validation, middleware, naming |
| ` ` must be str or None, got | exception | error | python, type-error, validation, deserialization |
| Store item does not contain valid content field. Got | validation | error | store, schema, data-corruption |
| Unknown external signal | validation | error | event-bus, validation, signal, input-error |
| workspace. must be a non-empty absolute path | validation | error | validation, path, workspace |
| MCPServerInfo : status= requires an error message | validation | error | mcp, invariant, value-error, dataclass |
| Unknown keys in HarnessProfileConfig dict | exception | error | python, validation, configuration, schema |
| grep_max_count must be positive or None, got | validation | error | python, validation, filesystem, config |
| No MCP OAuth provider matched | exception | error | mcp, oauth, registry, provider |
| Path traversal not allowed in glob pattern | validation | error | path-traversal, glob, security |
| Server ' ' 'env' must be a dictionary | validation | error | mcp, config-validation, typeerror, stdio, environment |
| task() requires non-empty string field `description` | validation | error | validation, quickjs, task-bridge |
| thread is already bound to a different workspace | exception | error | workspace, conflict, binding, thread |
| a provider already serves rank | validation | error | configuration, resolver, rank-conflict, api-misuse |
| recursion_limit must be positive | validation | error | configuration, validation, env |
| remote source has an invalid port | validation | error | validation, url, port |
| temporary artifact is not owned by this user | exception | error | filesystem, permissions, security, temp-file, toctou |
| Context Hub cache failed to initialize | exception | error | context-hub, cache, initialization, remote |
| Error: Could not create project skills directory. | console | error | cli, filesystem, permissions |
| External event must be valid JSON | validation | error | json, ipc, event-bus, validation |
| The server criteria agent returned no complete proposal. | exception | error | llm, parsing, runtime-error, goal-criteria |
| unsupported media file type | exception | error | media, validation, channels |
| Offload server completed without a typed result. | exception | error | offload, protocol, validation, remote |
| Received hook invocation interrupt without a HooksRuntime | exception | error | hooks, runtime, initialization, interrupt |
| repeat cap is only valid for recurring jobs | validation | error | validation, cron, api-misuse |
| Runloop API unreachable (transient — safe to retry) | exception | error | network, timeout, transient, runloop, retryable |
| ThemeColors. must be a 7-char hex color (#RRGGBB), got | validation | error | validation, config, theme |
| tick_seconds must be positive | validation | error | scheduler, asyncio, validation, constructor |
| trusted_compaction_tool must be named compact_conversation | validation | error | validation, naming, auto-mode, constructor |
| Error | console | error | cli, path-traversal, validation |
| ManagedConfigError(ProviderStatus(name, path… | exception | error | mcp, config, corrupt, managed-config |
| Offload server returned an invalid cancellation… | exception | error | network, protocol, offload, remote |
| remote source must not contain a query string or fragment | validation | error | validation, url, canonicalization |
| assistant id must be 1-128 characters and contain only… | validation | error | configuration, validation, assistant-id |
| ' ' is not a BaseChatModel subclass (got ) | validation | error | config, langchain, type-check |
| Could not determine the home directory: set $HOME, or set… | exception | error | environment, home-directory, containers, configuration |
| External event payload must be a non-empty string | validation | error | event-bus, validation, empty-payload, input-error |
| hooks trust store must be a JSON object | validation | error | trust, schema-validation, json |
| Invalid plugin id ; expected name@marketplace | validation | error | plugin-id, parsing, validation |
| Marketplace is not configured | exception | error | marketplace, configuration |
| Path traversal detected after normalization | validation | error | path-traversal, security, validation |
| agent returned approval interrupts without resumable ids | exception | error | interrupts, schema, human-in-the-loop |
| Invalid ALLOW_FS_TOOLS value: ; expected a non-empty list… | validation | error | configuration, env-var, json, validation |
| Manual mode callback is unavailable | exception | error | hitl, approval-mode, callback |
| Server ' ' header must be a string, got | validation | error | mcp, config-validation, typeerror, http-headers |
| Telegram bot token is required… | validation | error | telegram, env-var, configuration, bot-token |
| User prompt submission stopped by hook | exception | warning | hooks, lifecycle, prompt |
| `history_path_prefix` was removed in deepagents 0.7… | exception | error | python, summarization, deprecated-api, migration, typeerror |
| media file type does not match requested type | exception | error | media, validation, type-mismatch |
| timeout must be non-negative, got | validation | error | python, validation, vercel, valueerror, timeout |
| Compact session start stopped by hook | exception | warning | hooks, compaction, lifecycle |
| Could not parse embedded resource block. Block expected… | exception | error | acp, embedded-resource, validation, schema, valueerror |
| HarnessProfile.excluded_middleware name entry matched… | validation | error | configuration, harness-profile, middleware, ambiguity |
| Invalid sort_order ; expected 'updated_at' or 'created_at | validation | error | python, validation, config, enum |
| must be a positive integer | validation | error | env, configuration, validation |
| Marketplace URL only downloads the catalog JSON, but… | exception | error | marketplace, plugins, configuration, filesystem |
| Extension factory in | exception | error | extensions, plugin-loading, exception-wrapping |
| GitHub marketplace source is missing repository metadata | exception | error | configuration, types, github, marketplace |
| Invalid JSON in --model-params | validation | error | cli, json-parsing, argument-validation |
| output_as_app_message requires incognito=True; refusing to… | validation | error | shell, flag-combination, argument-validation |
| Server ' ' uses stdio transport; 'auth: oauth' is only… | validation | error | mcp, config-validation, auth, oauth, stdio |
| system_prompt must be str or None, got | exception | error | python, skills, validation, type-error |
| temporary artifact provenance is invalid | exception | error | security, validation, temp-file, path-safety |
| recursion_limit must be None or a positive integer | validation | error | config, validation, python |
| project is only valid for the langsmith service, not | validation | error | auth, validation, langsmith, argument-mismatch |
| ReadResult.next_offset requires start_line and end_line to… | validation | error | python, dataclass-invariant, protocol, pagination |
| ReadResult.no_lines_requested describes an uninspected… | validation | error | python, dataclass-invariant, protocol |
| Server ' ' ' ' must be non-empty; omit the field to disable… | validation | error | config, mcp, validation, tool-filtering |
| ColdCacheWarning age_seconds= | validation | error | validation, dataclass, invariant |
| context must be a JSON object. | validation | error | type-error, validation, payload, json |