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 /home/severinp/public_html/advantage.vivianeerb.ch/exhibition_duft_feedback2.php:30 Stack trace: #0 /home/severinp/public_html/advantage.vivianeerb.ch/exhibition_duft_feedback2.php(30): mysqli->query('SELECT duft2 FR...') #1 {main} thrown in /home/severinp/public_html/advantage.vivianeerb.ch/exhibition_duft_feedback2.php on line 30