If you have Tempo plugin this might be the issue, you need to search for a corrupted user which shows in the logs as invalid user with invalid ID - then troubleshoot with this article https://confluence.atlassian.com/pages/viewpage.action?pageId=373261121, restart JIRA and problem solved.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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