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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 /users/balu52/www/aufgaben/set_update_datum.php:12 Stack trace: #0 /users/balu52/www/aufgaben/set_update_datum.php(12): mysqli->query('UPDATE aufgaben...') #1 {main} thrown in /users/balu52/www/aufgaben/set_update_datum.php on line 12