MediaWiki internal error.

Original exception: [b81a8c1041894ff1b7fb248f] 2024-03-29 10:09:40: 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.