Type: Problem report
Affects Version/s: 5.2.1
Fix Version/s: 6.0 (plan)
Sprint:Sprint 71 (Dec 2020), Sprint 72 (Jan 2021), Sprint 73 (Feb 2021), Sprint 74 (Mar 2021), Sprint 75 (Apr 2021), Sprint 76 (May 2021), Sprint 77 (Jun 2021)
Steps to reproduce:
- Disable guest access in Administration -> User groups, if it's enabled.
- Enable frontend messaging, if not enabled.
- Open log file of your web server (e.g., tail -f /var/log/apache2/error.log)
- Duplicate the browser tab
- Sign out in one of the browser tabs
- Wait 30-60 seconds.
See log file of web server. A following error is shown:
No fatal errors happen in this case, and also in other possible places.