{"record":{"id":"f679867d1d05556d","repo":"deepseek-ai/deepseek-harness","slug":"conversation-context-context-key-received-an-up","errorCode":null,"errorMessage":"conversation Context ${context.key} received an update before its start Match","messagePattern":"conversation Context (.+?) received an update before its start Match","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/client/runtime/src/client/sessions/conversation-assembler.ts","lineNumber":502,"sourceCode":"            }\n            discoveredStart = entry.match\n          }\n          const owners = this.contextsBySeq.get(entry.match.event.seq) ?? new Set<InternalContext>()\n          owners.add(context)\n          this.contextsBySeq.set(entry.match.event.seq, owners)\n          return entry.match\n        })\n        .sort((left, right) => left.event.seq - right.event.seq)\n      context.matches = mergeMatches(context.key, additions, context.matches)\n      if (discoveredStart !== undefined) {\n        context.start = discoveredStart\n        context.startSeq = discoveredStart.event.seq\n        const starts = startsByKind.get(context.kind) ?? []\n        starts.push(context)\n        startsByKind.set(context.kind, starts)\n      }\n      if (context.start !== undefined && context.matches[0] !== context.start) {\n        throw new Error(`conversation Context ${context.key} received an update before its start Match`)\n      }\n      affected.add(context)\n      this.dirty.add(context)\n    }\n    for (const [kind, contexts] of startsByKind) this.indexStartedContexts(kind, contexts)\n  }\n\n  private replayContexts(contexts: ReadonlySet<InternalContext>): void {\n    const ordered = [...contexts].sort((left, right) =>\n      (left.startSeq ?? Number.POSITIVE_INFINITY) - (right.startSeq ?? Number.POSITIVE_INFINITY))\n    for (const context of ordered) {\n      if (context.start === undefined) {\n        context.state = undefined\n        this.dirty.add(context)\n        continue\n      }\n      this.replayContext(context)\n    }","sourceCodeStart":484,"sourceCodeEnd":520,"githubUrl":"https://github.com/deepseek-ai/deepseek-harness/blob/b150a551b8d465e31e418e1b2eaf5e79bbb7d28e/packages/client/runtime/src/client/sessions/conversation-assembler.ts#L484-L520","documentation":"Error \"conversation Context ${context.key} received an update before its start Match\" thrown in deepseek-ai/deepseek-harness.","triggerScenarios":"Thrown at packages/client/runtime/src/client/sessions/conversation-assembler.ts:502 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Deliver the start Match before any update for the Context."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"b150a551b8d465e31e418e1b2eaf5e79bbb7d28e","analyzedAt":"2026-08-24T18:12:29.105Z","schemaVersion":2},"datasetVersion":"2026-08-24T22:17:12.610Z"}