deepseek-ai/deepseek-harness · error

conversation Context ${key} received inconsistent Definition

Error message

conversation Context ${key} received inconsistent Definition identity

What it means

Error "conversation Context ${key} received inconsistent Definition identity" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/client/runtime/src/client/sessions/conversation-assembler.ts:479

          kind: first.definition.kind,
          id: first.id,
          definition: first.definition,
          startSeq: undefined,
          start: undefined,
          matches: [],
          state: undefined,
          revision: 0,
          current: new Map(),
          locationData: emptyLocationData(),
          dependencies: new Map(),
        }
        this.contexts.set(key, context)
      }
      let discoveredStart: ConversationMatch | undefined
      const additions = entries
        .map((entry) => {
          if (entry.definition !== context.definition || entry.id !== context.id) {
            throw new Error(`conversation Context ${key} received inconsistent Definition identity`)
          }
          if (entry.match.role === 'start') {
            if (discoveredStart !== undefined || context.start !== undefined) {
              throw new Error(`conversation Context ${key} received more than one start Match`)
            }
            discoveredStart = entry.match
          }
          const owners = this.contextsBySeq.get(entry.match.event.seq) ?? new Set<InternalContext>()
          owners.add(context)
          this.contextsBySeq.set(entry.match.event.seq, owners)
          return entry.match
        })
        .sort((left, right) => left.event.seq - right.event.seq)
      context.matches = mergeMatches(context.key, additions, context.matches)
      if (discoveredStart !== undefined) {
        context.start = discoveredStart
        context.startSeq = discoveredStart.event.seq
        const starts = startsByKind.get(context.kind) ?? []

View on GitHub (pinned to b150a551b8)

Solutions

1. Keep the Definition identity stable for a given Context key.

When it happens

Trigger: Thrown at packages/client/runtime/src/client/sessions/conversation-assembler.ts:479 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/dabd604858f90362. Report an issue: GitHub.