ErrLookup › run-llama/llama_index
run-llama/llama_index
LlamaIndex is the leading document agent and OCR platform · Python · 2,180 source files
Analyzed at afd0fef371 on 2026-08-15. 437 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Failed to validate query spec. Error | exception | error | auto-retriever, llm-output-parsing, pydantic, llama-index |
| Node ID not found in index. | exception | error | vector-store, storage-consistency, retriever, llama-index |
| First argument to Readability constructor should be a… | exception | error | docstore, serialization, data-corruption, llama-index |
| key should not be None | exception | error | llama-index, guidance, pydantic, json-schema, structured-output |
| Invalid filter condition | exception | error | metadata-filters, enum, filter-condition, python |
| Vector store query result should return at least one of… | exception | error | vector-store, custom-integration, api-contract, llama-index |
| Invalid operator | exception | error | metadata-filters, enum, operator, version-skew, python |
| Metadata length ( ) is longer than chunk size ( ). Consider… | validation | error | chunking, tokenization, configuration, node-parser |
| Node ID not found in fetched nodes. | exception | error | vector-store, storage-consistency, docstore, llama-index |
| Node content not found in metadata dict. | exception | error | metadata, deserialization, vector-store, persistence, python |
| Invalid answer line: . Answer line must be of the form… | validation | warning | llm-output-parsing, choice-select, llama-index |
| Unknown SQL parser mode | validation | error | sql, enum, retriever, llama-index |
| Invalid query mode | validation | error | vector-store, query-mode, not-supported, python |
| custom_prompt must have the following template variables | validation | error | sql, prompt-template, validation, llama-index |
| Cannot initialize from a vector store that does not store… | exception | error | vector-store, storage, config, llama-index |
| Index was constructed without building trees, but retriever… | validation | error | tree-index, config, retriever, llama-index |
| context_dict must be provided. There is currently no table… | validation | error | sql, prompt-context, config, llama-index |
| Error loading file | exception | error | file-parsing, error-handling, directory-reader, chained-exception |
| Could not format attribute | exception | error | llama-index, formatting, templates, multimodal, blocks |
| Must provide either user_msg or chat_history | exception | error | storage-context, serialization, vector-store, llama-index |
| Unsupported content block type | exception | error | llama-index, rich, content-blocks, version-skew, multimodal |
| Failed to parse pydantic object from guidance program… | exception | error | llama-index, guidance, output-parsing, pydantic, json, llm-output |
| Aborting parsing document; | exception | error | docstore, async, missing-node, llama-index |
| _build_index_from_nodes not implemented for… | exception | error | llama-index, managed-index, not-implemented, insert |
| Vector store integrations that store text in the vector… | exception | error | vector-store, not-implemented, metadata, llama-index |
| extra_filters cannot be OR condition | validation | error | vector-store, metadata-filters, auto-retriever, llama-index |
| Nested MetadataFilters are not supported. | exception | error | metadata-filters, nested-filters, not-supported, python |
| LLM did not return any tool calls for structured output… | exception | error | |
| Unknown chat mode | exception | error | chat-engine, enum, validation, dispatch |
| Unknown retriever mode | validation | error | tree-index, enum, retriever, llama-index |
| No existing found at , skipping load. | exception | error | persistence, file-not-found, vector-store, python |
| response must be of type AgentChatResponse or… | validation | error | instrumentation, events, agent, pydantic |
| WandbCallbackHandler is not installed. Please install it… | exception | error | llama-index, callbacks, import-error, optional-dependency, wandb |
| Unsupported message content type | exception | error | llama-index, rich, content-type, multimodal, input-validation |
| The enum value is not compatible with component of type | exception | error | ingestion, vector-store, workflow, type-mismatch |
| Document is too large ( tokens) to be processed. Doc… | exception | error | validation, context-window, document-processing, token-limit |
| `llama-index-llms-openai` package cannot be found. Please… | exception | error | llama-index, import-error, openai, optional-dependency, multi-modal |
| Delete not implemented for tree index. | exception | error | tree-index, delete, not-implemented, llama-index |
| Statement is invalid SQL.\nError | exception | error | sql, text-to-sql, sqlalchemy, llm-output-validation |
| Cannot filter stores that were persisted without metadata… | validation | error | vector-store, metadata-filters, persistence, version-migration, python |
| draw_most_recent_execution function is deprecated and no… | exception | error | deprecation, versioning, workflow, visualization, python |
| Eval mode not supported. | exception | error | llama-index, callbacks, validation, invalid-argument |
| Query requires invoker identity but none provided | exception | error | permissions, identity, query-engine, agent-mesh, authorization |
| Component is not a supported data sink component. | exception | error | ingestion, vector-store, workflow, configuration |
| Must pass in cohere api key or specify via COHERE_API_KEY… | exception | error | authentication, environment-variables, cohere, configuration |
| Response must be provided to stop function. | exception | error | llama-index, multi-step, stop-function, api-contract, misleading-message |
| No valid source provided to resolve binary data! | validation | error | validation, binary-data, caller-bug, python |
| StructuredLLM expected a | exception | error | llama-index, structured-output, pydantic, type-error |
| Unable to load from persist dir. The object_node_mapping… | exception | error | persistence, object-index, pickle, deserialization |
| Vector query not implemented for SimplePropertyGraphStore. | exception | error | graph-store, vector-query, not-implemented, property-graph |
| Reader class name not found. | exception | error | serialization, registry, readers, versioning |
| Malformed partial JSON encountered. | exception | error | llama-index, json, streaming, structured-output, parsing |
| response_gen is only available for streaming responses. Set… | exception | error | llama-index, chat-engine, streaming, response-type |
| Git command failed | exception | error | docstore, deserialization, version-mismatch, llama-index |
| Query rejected | exception | error | permissions, trust-verification, query-engine, agent-mesh, audit |
| sql_database must be specified | validation | error | sql, constructor, config, llama-index |
| Node not found | exception | error | docstore, not-found, node, custom-backend, llama-index |
| All agents must have a description in a multi-agent workflow | exception | error | agent-workflow, validation, constructor, multi-agent |
| Please pip install PyYAML. | exception | error | dependencies, environment, yaml, output-parsing |
| Value for metadata must be one of (str, int, float, None) | exception | error | metadata, validation, ingestion, type-error, python |
| Detected nested async. Please use nest_asyncio.apply() to… | exception | error | async, event-loop, jupyter, sync-async-bridge |
| Metadata key must be str! | exception | error | metadata, validation, ingestion, python |
| Failed to select retriever | exception | error | retriever, router, selector, llm-parsing |
| OpenAIMultiModal is not installed. Please install it using… | exception | error | import-error, dependency, multi-modal, evaluation, openai |
| Both metadata_value and value should be strings to be used… | exception | error | metadata-filters, type-error, text-match, python |
| EmptyIndex only supports response_mode=generation. | exception | error | llama-index, empty-index, query-engine, configuration |
| kg_rel_map must be found in at least one Node. | exception | error | llama-index, knowledge-graph, retriever, metadata, empty-results |
| PandasQueryEngine has been moved to… | exception | error | pandas, deprecation, install, code-execution |
| The response is invalid | exception | error | llm-output, parsing, evaluation, answer-relevancy |
| Unknown query mode | validation | error | sql, enum, api-misuse, llama-index |
| Not supported | exception | error | sql, api-misuse, retriever, llama-index |
| This query engine does not support retrieve, use query… | exception | error | llama-index, flare, retriever, query-engine, not-implemented |
| `treelib` package is missing. Please install it by using… | exception | error | missing-dependency, instrumentation, observability, python |
| LLM is required to get tool calls | exception | error | runtime, tool-calls, function-calling, validation |
| Both metadata_value and value should be strings to be used… | exception | error | metadata-filters, type-error, case-insensitive, python |
| Response generation timed out after | exception | error | streaming, timeout, langchain, llm |
| SimpleVectorStore does not store nodes directly. | exception | error | vector-store, not-implemented, simple-vector-store, python |
| Invalid number of children. | validation | error | tree-index, constructor, validation, llama-index |
| Unknown schema type | exception | error | llama-index, guidance, pydantic, json-schema, union-types, pydantic-v2 |
| Failed to serialize additional_kwargs value | exception | error | chat-store, serialization, chat-message, json, llama-index |
| Query id not found in either `retriever_dict` or… | exception | error | retriever, recursive-retrieval, index-nodes, lookup |
| Component is not a supported transformation component. | exception | error | ingestion, transformations, workflow, configuration |
| Impossible score results. Total amount of votes is 2. | exception | error | evaluation, pairwise, llm-verdict, consensus, float-precision |
| Prompt key cannot contain ':'. | exception | error | llama-index, prompts, prompt-mixin, naming, validation |
| Vector Store only supports exact match filters. Please use… | exception | error | metadata-filters, legacy-api, vector-store, python |
| Expected Response object, got | exception | error | llama-index, flare, query-engine, streaming, active-retrieval |
| 'handoff' is a reserved tool name. Please use a different… | exception | warning | kvstore, persistence, not-implemented, custom-store |
| No index in storage context, check if you specified the… | exception | error | llama-index, storage, persistence, loading, configuration |
| `transformers` package not found, please run `pip install… | exception | error | dependencies, optional-import, tokenizer, python |
| Must be a retriever or query engine. | exception | error | retriever, recursive-retrieval, type-error, type-guard |
| There are selections, please use .reasons. | exception | error | llama-index, selector, router, multi-select |
| Objs cannot be loaded. | validation | error | persistence, pickle, deserialization, object-index |
| Unsupported output type | exception | error | selector, pydantic, structured-output |
| Got empty streaming response | exception | warning | kvstore, persistence, not-implemented, factory |
| Cannot specify both similarity_fn and similarity_mode | exception | error | configuration, evaluation, mutually-exclusive-args, validation |
| Invalid fusion mode | exception | error | retriever, fusion, enum, configuration |
| table_info must be a dictionary with table names as keys… | validation | error | sql, type-error, configuration, json |
| Tool is not a FunctionTool. CodeActAgent only supports… | exception | error | tools, context, workflows, llama-index |
| Component is not a supported data source component. | exception | error | ingestion, readers, workflow, configuration |
| Tool name must be set | validation | error | tools, query-engine, validation, metadata |