I'm getting the following error at https://caerulea.miraheze.org/wiki/Main_Page:
MediaWiki internal error.
Original exception: [5c1282f0638a8e7c4e367da1] 2019-10-18 16:11:37: Fatal exception of type "MediaWiki\Storage\NameTableAccessException"
Exception caught inside exception handler.
Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.