MediaWiki internal error.

Original exception: [a642f5330045f4f439a488ab] 2024-03-29 09:58:43: 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.