ErrLookup › microsoft/autogen
microsoft/autogen
A programming framework for agentic AI · Python · 927 source files
Analyzed at 027ecf0a37 on 2026-08-15. 657 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Unknown attribute kind | validation | error | grpc, cloudevent, protobuf, version-mismatch, distributed |
| One or more exceptions occurred while processing the… | exception | error | csharp, runtime, message-delivery, aggregate-exception, inprocess |
| Agent factory was invoked for an agent instance that was… | exception | error | subscription, topic, agent-instance, routing |
| Unsupported or missing type for field | exception | error | pydantic, json-schema, validation, autogen-core |
| The first message is ToolCallMessage, but the update… | exception | error | autogen, dotnet, middleware, streaming, tool-call, invalidoperationexception |
| Agent factories and agent instances cannot be registered to… | exception | error | registration, conflict, factory, agent-instance |
| No coder message found | exception | error | autogen, group-chat, agent-orchestration, dotnet, control-flow |
| Failed to review code block | exception | error | autogen, function-calling, group-chat, dotnet, llm-output-parsing |
| Invalid return message type | exception | error | autogen, dotnet, azure-openai, middleware, message-connector, strict-mode |
| Unsupported content type | exception | error | autogen, webapi, openai-compat, multimodal, validation, csharp |
| SubscriptionInstantiationContext.runtime() must be called… | exception | error | python, autogen-core, subscriptions, context, agents, testing |
| Model ' ' not found in model info | exception | error | anthropic, model-registry, configuration, keyerror |
| FunctionMap is not available | exception | error | autogen, dotnet, middleware, tool-call, function-map, invalidoperationexception |
| Agent factory must take 0 or 2 arguments. | exception | error | factory, signature, lazy-instantiation |
| Agent with name is not of type . It is of type | exception | error | python, autogen-core, runtime, type-check, agents |
| Agent with name not found. | exception | error | lookup, agent-type, not-found |
| Failed to get list of available packages | exception | error | azure, code-executor, container, dependency, environment |
| Failed to deserialize response | exception | error | anthropic, sse, streaming, json-deserialization, api-drift, autogen |
| Unknown metadata type | exception | error | python, autogen-core, telemetry, opentelemetry, metadata, validation |
| Distributed runtime features require additional… | exception | critical | import, grpc, dependencies, installation |
| Expected a single JSON object, but found | exception | error | anthropic, tool-calls, json, conversation-history |
| Cannot dump component with local class | exception | error | autogen-core, component-config, local-class, dump |
| Invalid server URL configuration | exception | error | mcp, websocket, url-configuration, validation |
| MimeType is required for ImageMessage | exception | error | autogen, dotnet, message, image-message, mime-type, argumentexception |
| AZURE_OPENAI_CONNECTION_STRING not set, try something like… | exception | error | azure-openai, autogen-runtime, configuration, connection-string, sample, hello-world |
| Message type not found | exception | error | python, type-hints, decorator, autogen-core |
| The string must contain exactly one function | validation | error | python, autogen-core, code-executor, dynamic-code, validation |
| audio_output_path must be within the current working… | validation | error | security, path-traversal, ffmpeg, video-surfer, validation |
| Unexpected finish reason | exception | error | azure, streaming, finish-reason, version-skew |
| No stop reason found | exception | error | azure, streaming, truncated-response, network |
| Agent instances must be the same object type. | exception | error | registration, type-mismatch, agent-instance |
| Invalid message type | exception | error | autogen, dotnet, azure-openai, middleware, strict-mode, message-connector |
| Only DefaultAzureCredential is supported | validation | error | azure, auth, component-serialization, configuration |
| Unknown content type | exception | error | azure, content-validation, multimodal, message-conversion |
| No response was generated | exception | error | openai, streaming, lifecycle, agent |
| Required create args are missing | exception | error | anthropic, configuration, llm-client, init |
| openai_endpoint must be provided for azure_openai embedding… | validation | error | azure, config, validation, embedding, pydantic |
| Unsupported message type | exception | error | gemini, strict-mode, message-mapping, invalid-operation |
| Could not create spec | exception | error | python, autogen-core, code-executor, importlib, environment |
| Functions failed to load | exception | error | azure, code-execution, docker, dependencies, functions |
| Message type not in target types of . Set… | exception | error | autogen-core, closure-agent, message-routing, policy |
| No next available agents found in the current workflow | exception | error | autogen, dotnet, group-chat, workflow, orchestration, obsolete-api, argumentexception |
| Error initializing: ; already initialized. | exception | error | autogen, lifecycle, run-context, double-initialize, thread-safety, csharp |
| Unsupported message type | exception | error | csharp, semantic-kernel, message-conversion, invalid-operation |
| choice.Message.Content | exception | error | mistral, null-reference, chat-completion, deserialization |
| No name is returned. | exception | error | autogen, dotnet, group-chat, llm-output-parsing, speaker-selection, argumentexception |
| No user message found. | exception | error | autogen, group-chat, middleware, dotnet, control-flow |
| State is not initialized. | exception | error | serialization, state, json, checkpoint |
| Target node ' ' must be added before adding an edge. | exception | error | graph, builder, edges, configuration |
| Container is not running. Must first be started with either… | exception | error | docker, lifecycle, state, container |
| From mismatch | exception | error | autogen, dotnet, message, streaming, tool-call, from-mismatch, argumentexception |
| Message type is not registered. | exception | error | messages, custom-message-types, configuration, serialization |
| Conflicting activation conditions for target | exception | error | graph, validation, activation, fan-in |
| Unknown content type | exception | error | anthropic, json-converter, content-block, thinking-blocks, api-drift, autogen |
| Failed to get login URL | exception | error | python, azure-ai-search, configuration, mixin |
| Message must have a receiver to be sent. | exception | error | csharp, runtime, message-routing, api-misuse |
| Invalid aggregate message | exception | error | autogen, dotnet, message, multimodal, validation, argumentexception |
| MCP actor task crashed | exception | critical | mcp, asyncio, crash, lifecycle, task |
| Unsupported config type | exception | error | autogen, chromadb, configuration, type-validation |
| All agents in the workflow must be in the group chat. | exception | error | autogen, dotnet, group-chat, workflow, validation, argumentexception |
| Model does not support vision and image was provided | exception | error | ollama, vision, multimodal, validation, autogen |
| Please set environment variable AZURE_OPENAI_API_KEY | exception | error | configuration, environment-variables, azure, azure-openai, dotnet, autogen |
| Multiple and Not continuous system messages are not… | validation | error | openai, system-message, validation, message-format |
| Powershell or pwsh is not installed. Please install one of… | validation | error | powershell, code-executor, environment, dependency |
| No such element. | validation | error | playwright, web-surfer, dom, stale-state, timeout |
| Unable to convert " " to enum . | exception | error | anthropic, json-converter, enum, api-drift, version-mismatch, autogen |
| Could not find a serializer for message of type | exception | error | serialization, grpc, message-contract, configuration |
| Could not load module from path | exception | error | python, importlib, dynamic-import, file-path, agbench |
| Invalid DataUri format, expected data | exception | error | autogen, dotnet, message, image-message, data-uri, validation, argumentexception |
| The team did not produce a final TaskResult. Check the… | exception | error | group-chat, nested-team, streaming, contract |
| {logs_all} | exception | error | azure, code-execution, network, timeout |
| No handler method found for interface | exception | error | reflection, handlers, version-mismatch, invariant |
| system message has already been set and only one system… | exception | error | anthropic, system-message, message-validation, autogen, claude |
| Agent with name is not of type | exception | error | lookup, type-mismatch, isinstance |
| Could not compile function | exception | error | python, autogen-core, code-executor, dynamic-code, imports |
| Failed to delete team | exception | error | http, typescript, frontend, autogen-studio, crud |
| Unexpected response type from LlamaCpp model. | exception | error | llama-cpp, version-compatibility, response-parsing, streaming |
| Could not create loader | exception | error | python, autogen-core, code-executor, importlib, environment |
| Invalid ChatResponseMessage | exception | error | autogen, dotnet, azure-openai, empty-response, message-connector |
| Please set AZURE_OPENAI_API_KEY environment variable. | exception | error | configuration, environment-variables, azure, azure-openai, dotnet, autogen |
| Index ' ' not found. | exception | error | azure, azure-ai-search, configuration, index-not-found, runtime |
| No serializers found for type | exception | critical | python, serialization, pydantic, startup, autogen-core |
| The agent did not produce a final response. Check the… | exception | error | autogen, group-chat, streaming, router, contract, csharp |
| BING_API_KEY environment variable is not set | exception | error | configuration, environment-variables, bing, web-search, azure, dotnet, autogen |
| Could not create chat manager | exception | error | autogen, group-chat, reflection, activator, options, csharp |
| GroupChatManager does not have a name | exception | error | autogen, dotnet, group-chat, agent-name, argumentexception |
| Unknown tool ' '. Please choose from | validation | error | web-surfer, llm, tool-calling, dispatch, retry |
| Failed to capture frame at | exception | error | opencv, video, seek, screenshot, video-surfer |
| Only TextContent and ImageContent are allowed in… | exception | error | autogen, multimodal, content-type, validation, csharp |
| Provider module ' ' is not in a trusted namespace. Allowed… | exception | error | |
| Unknown content part | exception | error | openai, multimodal, message-transform, validation, autogen |
| TopicId does not match the subscription | exception | warning | python, autogen-core, subscriptions, pubsub, routing |
| Unhandled message in group chat manager | exception | error | group-chat, message-routing, runtime, api-misuse |
| Unexpected message type | exception | error | anthropic, message-type, message-connector, autogen, type-mismatch |
| ProtoData is null. | exception | error | grpc, cloudevent, serialization, null-check |
| Factory registered using the wrong type. | exception | error | registration, type-mismatch, factory |
| Unknown command type | exception | error | mcp, validation, command-dispatch, typo |
| Message type not in target types | exception | error | python, message-routing, runtime, autogen-core |
| Request is null. | exception | error | grpc, wire-protocol, validation, version-skew |
| Message type must be a string, got | validation | error | python, autogen, message-factory, type-validation |