microsoft/semantic-kernel
Documented errors, page 3 of 11. Back to microsoft/semantic-kernel
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| The OpenAI realtime model ID is required. | exception | error | azure-openai, realtime, deployment-name, websocket, env-vars |
| The state object for the KernelProcessStep could not be… | exception | error | process-framework, step, initialization, state, null-reference |
| External message channel not configured for step with topic | exception | error | semantic-kernel, process-framework, external-channel, configuration, messaging |
| Only FunctionChoiceType.AUTO is supported. | exception | error | bedrock, function-calling, function-choice-behavior, validation, pydantic |
| Prompt is required. | exception | error | openai, text-to-image, validation, deprecated, python |
| Step received message from Step named ' ' with group Id ' '… | exception | error | process-framework, edge-group, message-routing, configuration |
| Unsupported target type | exception | error | semantic-kernel, process-framework, serialization, workflow, version-mismatch |
| Cannot create a thread that has been deleted. | exception | error | thread, lifecycle, copilot-studio |
| Missing required configuration. ALLOWED_CALLERS must be set. | validation | critical | configuration, bot-framework, copilot-studio, environment-variables, authorization |
| The Process must be initialized before accessing the Name… | exception | error | dapr, process-runtime, initialization, semantic-kernel |
| Call target node type | validation | error | in-memory-collection, filter, sandbox, ast, call-dispatch |
| Multiple system messages in chat history. Only one system… | exception | error | google-ai, chat-history, system-message, system-instruction, validation |
| Cannot reduce chat history, since the thread is not… | exception | error | agent-thread, history-reduction, responses-agent |
| Error loading the manifest | exception | error | declarative-agent, manifest, validation, yaml |
| No serializers found for type | validation | error | runtime, serialization, decorators, semantic-kernel |
| Polling timed out before completion. | exception | error | openai-responses, agent, timeout, polling |
| Response failed | exception | error | bedrock, chat-completion, runtime, transient, csharp |
| The service must support structured output. | validation | error | orchestration, structured-output, service-config, semantic-kernel |
| Connection is not established. | exception | error | openai, realtime, connection, lifecycle, semantic-kernel |
| OpenAI WebRTC error | exception | error | openai, realtime, webrtc, network, http-error, semantic-kernel |
| OpenAIResponseAgent is not for use with AgentChat. | exception | error | agents, agentchat, responses-api, notsupported, configuration |
| The provided response modalities | exception | error | openai, chat-completion, response-modalities, type-coercion |
| service failed to complete the request | exception | error | anthropic, network, api-error, retry, python |
| Unable to transform output message of type | validation | error | orchestration, type-mismatch, message-transform, semantic-kernel |
| Unknown type with content type | validation | error | serialization, registry, content-type |
| Batch upsert failed | exception | error | mongodb-atlas, upsert, bulk-write, data-integrity, python |
| Error building the URL for the operation | exception | error | openapi, rest-api, url, semantic-kernel |
| Failed to validate settings | exception | error | azure-openai, chat-completion, initialization, settings, pydantic, semantic-kernel |
| Invalid AgentId type | exception | error | agenttype, validation, naming, runtime, dotnet |
| service failed to transcribe audio | exception | error | openai, audio-to-text, transcription, file-io, catch-all |
| Filter expected argument(s), but received . | validation | error | in-memory-collection, filter, arity, lambda |
| Persist directory is not set | exception | error | usearch, memory-store, initialization, persistence, config |
| This thread cannot be deleted, since it has not been… | exception | error | agent-thread, lifecycle, invalidoperation |
| Expected an AsyncStream[ChatCompletionChunk] response. | exception | error | openai, streaming, chat-completion, type-mismatch |
| Failed to deserialize execution state for sessionId= | exception | error | flow-status, deserialization, state, experimental, orchestration, versioning |
| Index kind is not supported. | exception | error | faiss, vector-store, configuration, index-kind |
| response_format must be a dictionary, a subclass of… | exception | error | azure-ai-inference, structured-output, validation, python |
| The option key ' .storage_service_endpoint' is required. | validation | error | validation, azure-function, agent-tool, configuration |
| OpenAPI tool ' ' is missing required 'specification' field. | validation | error | azure-ai, openapi, declarative-spec, configuration, agent-initialization |
| Request context is required for sampling function. | exception | error | mcp, sampling, dependency-injection, semantic-kernel |
| The NVIDIA API key is required. | exception | error | nvidia, chat-completion, api-key, configuration, service-initialization-error |
| Upsert failed | exception | error | qdrant, memory-store, upsert, service-response-exception, retry |
| Error: missing Azure Cognitive Search client credentials. | validation | error | azure-cognitive-search, credentials, auth, config, service-initialization, semantic-kernel |
| Expected text embedding(s), but received | exception | error | embeddings, openai, response-validation, batch, azure |
| Hugging Face completion failed | exception | error | hugging-face, text-completion, runtime, gpu |
| Index must be a subtype of faiss.Index | exception | error | faiss, vector-store, configuration, index |
| Invalid role | exception | error | csharp, dotnet, semantic-kernel, bedrock, aws, role-mapping |
| [ ] assembly not found | exception | critical | embedded-resource, assembly, runtime, aot, experimental |
| Distance function ' ' is not supported by Azure Cosmos DB… | exception | error | azure-cosmos-db, vector-store, data-model, configuration |
| Failed to delete collection | exception | error | chroma, vector-store, delete, network, lifecycle |
| Role must be one of: system, user, assistant or tool. | validation | error | mistral, chat, role, validation |
| Search type ' ' is not supported. | exception | error | azure-cosmos-db, vector-search, search-type, configuration |
| Error loading the manifest | exception | error | declarative-agent, manifest, loader, edge-case |
| Failed to create Azure AI Search settings. | exception | error | configuration, azure-ai-search, startup, settings |
| Failed to create NVIDIA settings. | exception | error | nvidia, embeddings, settings, configuration, pydantic, experimental, service-initialization-error |
| If response_format has type 'json_schema', 'json_schema'… | validation | error | openai, json-schema, structured-outputs, execution-settings, semantic-kernel |
| Astra DB request error | exception | error | astra-db, data-plane, service-response, network, semantic-kernel |
| Attribute ' ' is not callable in filter expressions. | exception | error | filter, in-memory, vector-store, semantic-kernel, evaluation |
| Delivery of message was cancelled. | exception | warning | inprocess-runtime, messaging, cancellation, send, dotnet |
| Invalid message body type | validation | error | orchestration, group-chat, validation, message-type |
| No serializers found for type | validation | error | serialization, message-type, registration, agent |
| Run failed with status | exception | error | azure-ai, run-status, polling, retry, semantic-kernel |
| AzureAI agents client not found. | exception | error | azureai, configuration, di, agent-definition, invalidoperation |
| Failed to enter context manager. | exception | error | mcp, connection, asyncio, context-manager, error-wrapping |
| Failed to handle Bedrock Agent stream event | exception | error | bedrock, agents, streaming, version-mismatch, event-handling, csharp |
| Failed to unpack payload into | validation | error | serialization, protobuf, payload, type-mismatch |
| The step has not been initialized. | exception | error | process-framework, proxy-step, initialization, internal-error |
| Agent Failure - Run terminated | exception | error | runtime, azureai, agent-run, network, transient |
| No argument is provided for the | exception | error | openapi, rest-api, headers, required-parameter, semantic-kernel |
| No response messages were returned from the agent. | exception | error | runtime, agents, openai-assistant, invoke, empty-response |
| The provided reasoning effort | validation | error | openai, reasoning, chat-completion, settings-validation |
| transformers is not installed. | exception | error | hugging-face, dependencies, transformers, installation |
| BERT summary evaluation score | exception | error | quality-check, bertscore, evaluation, kernel-exception, filter, summarization |
| Expected files for collection | exception | error | usearch, memory-store, initialization, persistence, data-corruption |
| Failed Inference with ONNX | exception | error | onnx, inference, runtime, response-error |
| Failed to generate image | exception | error | openai, text-to-image, dall-e, catch-all |
| Failed to preload the following built-in agent modules | exception | error | agents, import, optional-dependencies, registry, semantic-kernel |
| Offensive content detected. Operation is denied. | exception | error | content-safety, text-moderation, filters |
| The 'credential' parameter is required for authentication. | exception | error | azure-ai-inference, authentication, credentials, service-init, python |
| The record does not have the | exception | error | azure-cosmos-db, deserialization, data-model |
| Unsupported item type in User message while formatting chat… | exception | error | google-ai, chat-history, content-type, user-message, serialization |
| Failed to create AstraDB settings. | exception | error | astra-db, settings, pydantic, validation, semantic-kernel, config |
| Get without keys is not yet implemented. | exception | error | mongodb, vector-store, not-implemented, filtered-read |
| Unsupported item type in Assistant message while formatting… | exception | error | google-ai, chat-history, content-type, assistant-message, function-calling, serialization |
| Auto-invocation with KernelFunctions is not supported when… | exception | error | mistralai, tool-calling, auto-invocation, kernel-exception |
| Invalid parameter type for function | validation | error | bedrock, agents, tool-definition, validation, csharp |
| The specified function | exception | error | agent-definition, plugins, function-calling, kernalexception |
| Unable to configure learn resources settings. | exception | critical | configuration, env, ai-service, pydantic, semantic-kernel, sample |
| Unexpected failure broadcasting to channel | exception | error | broadcast, channel, async, agentchat |
| Use of name ' ' is not allowed in filter expressions. Only… | exception | error | in-memory-collection, filter, sandbox, ast, validation |
| Agent class ' ' does not support declarative spec loading. | exception | error | agent-registry, declarative-spec, protocol, semantic-kernel |
| Invalid state parameter | http | error | oauth, mcp, authentication, state-csrf, http-400, demo |
| The Google AI Gemini model ID is required. | exception | critical | google-ai, gemini, model-id, configuration, text-completion, constructor |
| This method is not implemented for BedrockAgentThread… | exception | error | bedrock, agent-thread, not-implemented, multi-agent, session-state |
| Attribute ' ' is not available in filter expressions. | exception | error | in-memory, filter, data-model |
| Invalid authorization code | exception | error | oauth, mcp, authentication, authorization-code, demo |
| The invocation did not produce a result. | exception | error | semantic-kernel, orchestration, result, output-transform, state |
| TopicId does not match the subscription. | exception | error | subscription, type-prefix, topic, runtime, dotnet |
| Unsupported item type in Assistant message while formatting… | exception | error | vertex-ai, chat-history, content-types, validation |
| Expected output length | exception | error | onnx, bert, embeddings, model-mismatch, invalid-operation |