Fatal error: Uncaught TypeError: error_reporting(): Argument #1 ($error_level) must be of type ?int, string given in /home2/phpibdestudents/public_html/stevenibde2017/202/chapter5/thanks.php:15 Stack trace: #0 /home2/phpibdestudents/public_html/stevenibde2017/202/chapter5/thanks.php(15): error_reporting('E_ALL & ~ E_NOT...') #1 {main} thrown in /home2/phpibdestudents/public_html/stevenibde2017/202/chapter5/thanks.php on line 15