Notice: Undefined variable: db in /var/www/html/usersc/plugins/forms/files/_form_existing_forms.php on line 2

Fatal error: Uncaught Error: Call to a member function query() on null in /var/www/html/usersc/plugins/forms/files/_form_existing_forms.php:2 Stack trace: #0 {main} thrown in /var/www/html/usersc/plugins/forms/files/_form_existing_forms.php on line 2