JIRA Standalone "An unknown error occurred while trying to perform a search."

Question

The message "An unknown error occurred while trying to perform a search." popped up when sorted by date although a ticket can still be created.
My Standalone Server JIRA software Version is 8.4.0.
Done with reindexing, the issue still remained.
Is upgrading to the latest version (8.8.0) will resolve the issue?
The log file can be obtained from the link I made

(https://drive.google.com/open?id=1MXzWlUMeQtphEktWiAfDdgtwXflHAppd)

for your investigation.

Please advise.

Harold Wong · Answer

This is the community site not support site per se

There may be others with the same problem and/or resolved it that may give flavor but we are not going to analyze your log for you...

We are customers here like you, I suggest you open a support ticket

Danny Kim_qjtba8 · Answer

If possible could you analyze my jira log to see what the problem is?

Danny Kim_qjtba8 · Answer

Hi, Bibek_Behera.

I have already done that but didn't resolve the issue.