Fatal error: Uncaught Error: Undefined constant "PHP_SELF" in /var/www/clients/client99/web336/web/tourundticket/prog-gebuehr/inc/config.inc.php:26
Stack trace:
#0 /var/www/clients/client99/web336/web/tourundticket/prog-gebuehr/formulare/buchen.php(7): include_once()
#1 {main}
thrown in /var/www/clients/client99/web336/web/tourundticket/prog-gebuehr/inc/config.inc.php on line 26