A Session request is queued

1. Read the queue message and position when one is returned.
2. Keep the Session open while waiting. The client can reconnect automatically for a recoverable queued request.
3. Use Cancel only if you no longer need the request.
4. If the request is rejected because the Session queue is full, wait for an earlier request to finish before submitting another.
5. If the service reports busy or task failure, retry later with one clear question.

Do not submit duplicate questions in multiple tabs to bypass the queue. Canceling ends the current request; it does not delete the Session.