deepseek-ai/deepseek-harness · error · LlmError

INVALID_REPLAY_STATE

INVALID_REPLAY_STATE

Error message

invalid pi-ai replay state: ${message}

What it means

Error "invalid pi-ai replay state: ${message}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/llm/llm-pi-ai/src/replay.ts:106

          type: 'text',
          ...block.textSignature === undefined ? {} : { textSignature: block.textSignature },
        }
        case 'thinking': return {
          type: 'reasoning',
          ...block.thinkingSignature === undefined ? {} : { thinkingSignature: block.thinkingSignature },
          ...block.redacted === undefined ? {} : { redacted: block.redacted },
        }
        case 'toolCall': return {
          type: 'tool-call',
          ...block.thoughtSignature === undefined ? {} : { thoughtSignature: block.thoughtSignature },
        }
      }
    }),
  }
}

function invalidReplay(message: string): never {
  throw new LlmError(`invalid pi-ai replay state: ${message}`, 'INVALID_REPLAY_STATE')
}

/** Validate the durable adapter-private envelope before it reaches pi-ai. */
function readReplayState(value: unknown): PiAiReplayState {
  if (typeof value !== 'object' || value === null || Array.isArray(value)) return invalidReplay('expected a replay envelope')
  const envelope = value as Record<string, unknown>
  const rawResponse = envelope['response']
  if (typeof rawResponse !== 'object' || rawResponse === null || Array.isArray(rawResponse)) return invalidReplay('expected a response object')
  const response = rawResponse as Record<string, unknown>
  if (response['kind'] !== 'pi-ai') return invalidReplay('unknown state kind')
  if (response['version'] !== 2) return invalidReplay(`unsupported version ${String(response['version'])}`)
  for (const key of ['api', 'provider', 'model'] as const) {
    if (typeof response[key] !== 'string' || response[key].length === 0) return invalidReplay(`${key} must be a non-empty string`)
  }
  if (!['stop', 'length', 'toolUse', 'error', 'aborted'].includes(String(response['stopReason']))) {
    return invalidReplay('unknown stopReason')
  }
  if (response['responseModel'] !== undefined && typeof response['responseModel'] !== 'string') return invalidReplay('responseModel must be a string')

View on GitHub (pinned to b150a551b8)

Solutions

1. Fix the replay state per the included message; regenerate or repair the corrupted session segment.

When it happens

Trigger: Thrown at packages/llm/llm-pi-ai/src/replay.ts:106 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/898edeb87f039f82. Report an issue: GitHub.