{"record":{"id":"66c3e0d0ac16e5b5","repo":"chroma-core/chroma","slug":"transactional-write-request-contains-duplicate-id","errorCode":null,"errorMessage":"transactional write request contains duplicate id \"${id}\"","messagePattern":"transactional write request contains duplicate id \"(.+?)\"","errorType":"validation","errorClass":"ChromaValueError","httpStatus":null,"severity":"error","filePath":"clients/new-js/packages/chromadb/src/collection.ts","lineNumber":1700,"sourceCode":"    this.ensureOpen();\n    this.validateBufferedWrite(operation, ids);\n    for (const id of ids) {\n      this.bufferedWriteIds.add(id);\n    }\n    this.operations.push({\n      operation,\n      payload,\n    } as ConditionalTransactionOperationPayload);\n  }\n\n  private validateBufferedWrite(\n    operation: ConditionalTransactionOperationPayload[\"operation\"],\n    ids: string[],\n  ): void {\n    const callIds = new Set<string>();\n    for (const id of ids) {\n      if (callIds.has(id)) {\n        throw new ChromaValueError(\n          `transactional write request contains duplicate id \"${id}\"`,\n        );\n      }\n      callIds.add(id);\n      if (this.bufferedWriteIds.has(id)) {\n        throw new ChromaValueError(\n          `transaction already has a buffered write for id \"${id}\"`,\n        );\n      }\n      this.validateWritePrecondition(operation, id);\n    }\n  }\n\n  private validateWritePrecondition(\n    operation: ConditionalTransactionOperationPayload[\"operation\"],\n    id: string,\n  ): void {\n    if (operation === \"add\" && !this.knownAbsent.has(id)) {","sourceCodeStart":1682,"sourceCodeEnd":1718,"githubUrl":"https://github.com/chroma-core/chroma/blob/aecdd12c8a891610db8653630b066b32ceb678b5/clients/new-js/packages/chromadb/src/collection.ts#L1682-L1718","documentation":"Error \"transactional write request contains duplicate id \"${id}\"\" thrown in chroma-core/chroma.","triggerScenarios":"Thrown at clients/new-js/packages/chromadb/src/collection.ts:1700 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"}