ErrLookup › MemPalace/mempalace
MemPalace/mempalace
The best-benchmarked open-source AI memory system. And it's free. · Python · 82 source files
Analyzed at 06cb6987f0 on 2026-08-15. 242 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| ABORT: chroma.sqlite3 reports | exception | error | |
| ABORT: extracted exactly | exception | error | |
| = is not a valid ISO-8601 date or UTC datetime (expected… | validation | error | validation, temporal, iso-8601, knowledge-graph, mempalace |
| Embedding API request to | exception | error | network, embedding, http, api, config |
| Pre-mining collision scan detected | exception | critical | data-integrity, chromadb, mining, hashing, mempalace |
| refusing to write: is a symbolic link. | validation | warning | security, symlink, toctou, export, filesystem |
| invalid Content-Length | http | warning | daemon, http, security, hardening |
| backup belongs to collection | validation | error | backup, restore, collection-mismatch, repair, safety-check |
| must be an ISO date string (e.g. '2026-04-01' or… | validation | error | validation, dates, parsing, iso8601 |
| milvus_consistency_level must be one of | validation | error | config, validation, milvus, backend |
| facet_counts does not support local-only filters | validation | warning | filters, facets, qdrant, unsupported-feature |
| type= is not a valid event type (lowercase letters, digits… | validation | error | validation, logstream, event-type, append-event |
| embedding dimension must be positive | validation | error | milvus, embeddings, dimension, validation |
| embedding_model='openai-compat' requires a model — set… | validation | error | config, embedding, openai-compat, setup |
| pass inline text or a file, not both | validation | error | cli, validation, arguments, mempalace |
| Embedding API at returned non-contiguous or duplicate… | exception | error | embedding, api, validation, index-alignment |
| embedding_model='openai-compat' requires an endpoint — set… | validation | error | config, embedding, openai-compat, setup |
| Milvus filters do not support null comparisons | exception | error | milvus, filter, query, null-handling |
| where clause must be a dict, got | exception | error | milvus, filter, type-validation, where-clause |
| EmbeddinggemmaONNX requires huggingface_hub, tokenizers… | exception | error | dependencies, import, onnx, embedding, environment |
| collection was built with a | exception | critical | data-loss, chromadb, rebuild, recovery |
| LLM_ENDPOINT must use http:// or https:// | validation | error | llm, configuration, security, environment, mempalace |
| Embedding API at returned non-vector embeddings (shape ) | exception | error | embedding, api, validation, numpy, shape |
| operator not supported by qdrant | exception | error | qdrant, filters, internal-invariant, unsupported-operation |
| contains invalid characters | validation | error | validation, names, character-set, mempalace |
| sqlite_exact read-only open found an incomplete WAL sidecar… | exception | error | sqlite-exact, sqlite, wal, read-only, backup, corruption |
| Embedding API at returned malformed embeddings | exception | error | embedding, api, validation, numpy, base64 |
| daemon is not running | exception | error | cli, daemon, jobs, mempalace |
| milvus batch cannot mix embedding dimensions | exception | error | milvus, embeddings, dimension-mismatch, batch |
| write routing scope must be 'hooks' or 'cli' | validation | error | config, write-routing, validation |
| invalid backup JSON at line | validation | error | backup, json, repair, data-integrity |
| daemon endpoint pid is not alive | exception | error | daemon, stale-state, pid, security, startup |
| metadata key clashes with a reserved Milvus field | validation | error | milvus, metadata, reserved-fields, validation |
| _paginate_ids: offset-based pagination failed and the… | exception | error | |
| SQLiteExactCollection has been closed | exception | error | sqlite-exact, lifecycle, use-after-close, backend |
| writable daemon startup refused: another writer owns local… | exception | critical | daemon, locking, concurrency, single-writer, startup |
| invalid repair backup record at line | validation | error | backup, json, schema, repair, validation |
| pgvector collection expects embedding dimension , got | exception | error | pgvector, embeddings, dimension-mismatch, config-drift |
| pgvector marker is unreadable | exception | error | pgvector, marker-file, corruption, backend-mismatch |
| refusing to export: is a symbolic link ( ). Remove the… | validation | warning | security, symlink, export, filesystem, defense-in-depth |
| Embedding model mismatch reading palace at | exception | error | transforms, registry, api-misuse, validation |
| unsupported repair backup format | validation | error | backup, versioning, repair, data-integrity |
| is not valid UTF-8 — re-save it as UTF-8 | validation | error | encoding, utf-8, config, dialect, file-io |
| Embedding API at returned embeddings for inputs | exception | error | embedding, api, validation, batching |
| status= is not one of | validation | error | validation, logstream, status, enum |
| could not read repair backup | validation | error | backup, file-io, repair, permissions |
| operator not supported by milvus | exception | error | milvus, filter, unsupported-operator, clause-level |
| Milvus filter field is not a safe identifier | exception | error | milvus, filter, validation, identifier |
| update requires at least one of documents, metadatas… | validation | error | sqlite, vacuum, fts5, recovery, cleanup |
| backend does not support facet_counts | exception | critical | data-loss, chromadb, truncation, sqlite, safety-guard |
| daemon endpoint not found | exception | error | daemon, discovery, filesystem, json |
| valid_to= is before valid_from= ; an inverted interval… | validation | error | knowledge-graph, temporal, validation, date |
| MilvusCollection has been closed | exception | error | milvus, lifecycle, closed-handle, backend |
| pgvector backend requires a local palace path to anchor… | exception | error | pgvector, remote-mode, unsupported-operation, config |
| ChromaBackend has been closed | exception | error | search, validation, config, typo |
| timeout_ms must be a non-negative number | validation | error | validation, logstream, timeout, wait-events |
| Embedding API at returned a non-object response | exception | error | embedding, api, validation, response-format |
| where_document operator | exception | error | milvus, filter, where-document, unsupported-operator |
| config write_routing must be an object | validation | error | config, write-routing, file-format |
| repair backup has an invalid header | validation | error | backup, json, repair, data-integrity |
| event not found | validation | error | logstream, ack, not-found, event-id |
| must be a string | validation | error | validation, temporal, knowledge-graph, mempalace |
| {collection_name} | exception | error | state-divergence, qdrant, collections, docker |
| Embedding API at returned non-object rows | exception | error | embedding, api, validation, response-format |
| length does not match ids length | validation | error | pgvector, validation, batch-mismatch, valueerror |
| collection was built with embedder | exception | critical | data-loss, chromadb, sqlite, truncation, safety-guard |
| daemon did not become ready | exception | error | daemon, startup, timeout, readiness |
| daemon exited during startup with code | exception | critical | daemon, startup, subprocess, crash |
| PgVectorBackend has been closed | exception | error | pgvector, lifecycle, use-after-close, concurrency |
| pgvector marker target does not match current configuration | exception | error | pgvector, marker-file, config-drift, backend-mismatch, dsn |
| Embedding API at returned no 'data' array | exception | error | embedding, api, validation, model-config |
| daemon is not running; job | exception | error | cli, daemon, jobs, mempalace |
| qdrant marker remote target does not match current… | exception | error | qdrant, configuration, drift, namespace |
| qdrant backend requires a local palace path to anchor… | exception | error | qdrant, pure-remote, unsupported, palaceref |
| config hooks must be an object | validation | error | config, hooks, write-routing, file-format |
| backend does not support maintenance kind | exception | error | sqlite, recovery, file-not-found, chromadb |
| must be an ISO date string | validation | error | validation, dates, api-contract |
| backend does not support lexical_search | exception | critical | rebuild, partial-write, chromadb, data-loss, recovery |
| request body too large | http | warning | daemon, http, limits, payload-size |
| sqlite_exact collection | validation | error | sqlite-exact, embeddings, dimension-mismatch, model-switch |
| operator not supported by sqlite_exact | validation | error | sqlite-exact, filter, compare, internal-api |
| qdrant collection expects embedding dimension , got | exception | error | dimension-mismatch, qdrant, embeddings, multi-process |
| --metadata is not valid JSON | validation | error | cli, json, validation, mempalace |
| artifact_ids references unknown artifact | validation | error | logstream, referential-integrity, artifact, ordering |
| sqlite_exact does not support maintenance kind | exception | warning | sqlite-exact, maintenance, vacuum, backend-api |
| limit must be a positive integer | validation | error | validation, logstream, pagination, limit |
| _paginate_ids: both offset-based pagination and the… | exception | error | |
| operator not supported by chroma backend | exception | error | chromadb, seq-id, verification, concurrency, repair |
| content contains null bytes | validation | error | validation, content, binary-data, mempalace |
| is bytes; maximum is bytes | validation | error | validation, logstream, size-limit, body |
| embedding must be a non-empty 1D vector | validation | error | milvus, embeddings, validation, shape |
| $in requires a non-empty list for | exception | error | milvus, filter, in-operator, validation |
| qdrant batch cannot mix embedding dimensions | exception | error | embeddings, dimension-mismatch, qdrant, validation |
| since_event_id not found | validation | error | logstream, pagination, not-found, cursor |
| {palace_path} | exception | error | sqlite-exact, palace-not-found, collection, path |
| metadata exceeds maximum size of | validation | error | validation, logstream, metadata, size-limit |
| artifact_ids must be a list of artifact id strings | validation | error | validation, logstream, artifact-ids, type-error |
| daemon token not found for | exception | error | daemon, auth, filesystem, startup |
| metadata is not JSON-serializable | validation | error | validation, logstream, metadata, json, serialization |
| after_seq must be a non-negative integer | validation | error | validation, logstream, sync, cursor |