MediaWiki internal error.

Original exception: [21c225e316c82da5acc5cd74] 2024-03-29 14:59:49: 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.