Lesson 100: Submission Error - Attempt Expired #8

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2026-04-26T15:16:00Z

enjin2310 commented

2026-04-26 15:16:00 +00:00

Issue found at lesson 100 while connected and attempting to submit answer. The system displayed: 'Error: Your lesson attempt has expired. Click 'New attempt' to start fresh.' This prevented submission of the answer. Please investigate the session timeout or submission handling for this lesson.

Screenshot 2026-04-26 111404.png

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spikerj commented

2026-05-05 04:02:03 +00:00

Resolved -- Root cause: after a successful lesson submission consumed the attempt token on the backend (Redis removes it), re-submitting used the stale token causing "expired". Added requestNewAttempt() call after successful lesson completion in the auto-mark effect, so a fresh token is always ready.

**Resolved** -- Root cause: after a successful lesson submission consumed the attempt token on the backend (Redis removes it), re-submitting used the stale token causing "expired". Added `requestNewAttempt()` call after successful lesson completion in the auto-mark effect, so a fresh token is always ready.

spikerj closed this issue

2026-05-05 04:03:13 +00:00

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