MediaWiki internal error.

Original exception: [4ab8c174ee24524d010d7c2f] 2024-03-28 08:51:09: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; and $wgShowDBErrorBacktrace = true; at the bottom of LocalSettings.php to show detailed debugging information.