Warning: Trying to access array offset on value of type null in /var/www/html/icalen/showlist2.php on line 53
Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 in /var/www/html/icalen/showlist2.php:54
Stack trace:
#0 /var/www/html/icalen/showlist2.php(54): mysqli->query('SELECT username...')
#1 {main}
thrown in /var/www/html/icalen/showlist2.php on line 54