MediaWiki internal error.

Original exception: [86fd49b55322213f1f022dd6] 2024-03-29 02:30:49: 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.