MediaWiki internal error.

Original exception: [87939d8b5033ac01f79fa042] 2024-03-28 15:39:21: 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.