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Diagnostic code · ARA1904

Daemon connection failed

The daemon connection was lost or the client did not receive the requested response before its timeout. The client cannot confirm the call's result; a request sent before disconnection may already have committed.

Common causes

  • The daemon exited, restarted or closed the connection.
  • The daemon did not answer within the client's 120-second call timeout.

Fixes

  • Reconnect through the project's CLI or ara mcp; start ara serve if no daemon is running.

  • Before repeating an edit, check ara history and ara inspect for its result; reuse the original cmd.apply idempotency key when retrying a keyed request.

  • Code: ARA1904

  • Constant: DAEMON_UNREACHABLE

  • Reported by: ara-rpc