{"record":{"id":"cd09d22ef8861aae","repo":"chroma-core/chroma","slug":"cannot-embed-string-query-for-key-key-no-emb","errorCode":null,"errorMessage":"Cannot embed string query for key '${key}': no embedding function configured. Provide an embedded vector or configure an embedding function.","messagePattern":"Cannot embed string query for key '(.+?)': no embedding function configured\\. Provide an embedded vector or configure an embedding function\\.","errorType":"validation","errorClass":"ChromaValueError","httpStatus":null,"severity":"error","filePath":"clients/new-js/packages/chromadb/src/collection.ts","lineNumber":697,"sourceCode":"    }\n\n    const vectorIndex = valueTypes.floatList?.vectorIndex;\n    if (vectorIndex?.enabled && vectorIndex.config.embeddingFunction) {\n      const embeddingFunction = vectorIndex.config.embeddingFunction;\n      const embeddings = embeddingFunction.generateForQueries\n        ? await embeddingFunction.generateForQueries([queryValue])\n        : await embeddingFunction.generate([queryValue]);\n\n      if (!embeddings || embeddings.length !== 1) {\n        throw new ChromaValueError(\n          \"Embedding function returned unexpected number of embeddings.\",\n        );\n      }\n\n      return { ...knn, query: embeddings[0] };\n    }\n\n    throw new ChromaValueError(\n      `Cannot embed string query for key '${key}': no embedding function configured. Provide an embedded vector or configure an embedding function.`,\n    );\n  }\n\n  private async embedRankLiteral(rank: unknown): Promise<unknown> {\n    if (rank === null || rank === undefined) {\n      return rank;\n    }\n\n    if (Array.isArray(rank)) {\n      return Promise.all(rank.map((item) => this.embedRankLiteral(item)));\n    }\n\n    if (!isPlainObject(rank)) {\n      return rank;\n    }\n\n    const entries = await Promise.all(","sourceCodeStart":679,"sourceCodeEnd":715,"githubUrl":"https://github.com/chroma-core/chroma/blob/aecdd12c8a891610db8653630b066b32ceb678b5/clients/new-js/packages/chromadb/src/collection.ts#L679-L715","documentation":"Error \"Cannot embed string query for key '${key}': no embedding function configured. Provide an embedded vector or configure an embedding function.\" thrown in chroma-core/chroma.","triggerScenarios":"Thrown at clients/new-js/packages/chromadb/src/collection.ts:697 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"aecdd12c8a891610db8653630b066b32ceb678b5","analyzedAt":"2026-08-16T21:53:27.228Z","schemaVersion":2},"datasetVersion":"2026-08-16T23:17:17.608Z"}