Fatal error: Uncaught Error: Class "Wikimedia\Rdbms\DBTransactionError" not found in /var/www/html/orian-wiki/includes/libs/rdbms/exception/DBTransactionStateError.php:26
Stack trace:
#0 {main}
thrown in /var/www/html/orian-wiki/includes/libs/rdbms/exception/DBTransactionStateError.php on line 26