Forum update failed, can't access it now

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1

This image shows an error message screen informing users that a discussion forum software encountered an unexpected problem and providing instructions for further action. (Title generated by AI)
This image shows an error message screen informing users that a discussion forum software encountered an unexpected problem and providing instructions for further action. (Title generated by AI)1920×919 95.2 KB

My forum URL: https://qingju.cyou/

3

Look for non standard plugins. If you find them comment then out and rebuild.

4

Thank you for your answer, the update has been completed and access has been restored.

5

Can you please share which plugin was broken?

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I’m not sure which plugin caused it either.
I deleted all the unused themes/plugins I had installed, updated for a while, and then it was normal.