MediaWiki internal error.

Original exception: [c86e782c7428446089e6c68e] 2024-03-29 11:57:34: 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.