Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1 in /var/www/clients/client2/web15/web/begriff.php:7 Stack trace: #0 /var/www/clients/client2/web15/web/begriff.php(7): mysqli->query() #1 {main} thrown in /var/www/clients/client2/web15/web/begriff.php on line 7