Fatal error: Uncaught Error: Call to a member function getStadionID() on null in /var/www/html/pages/ticket/php/indicator.php:35 Stack trace: #0 /var/www/html/pages/ticket/main.php(66): require_once() #1 /var/www/html/core/php/router.php(68): require_once('/var/www/html/p...') #2 /var/www/html/core/php/router.php(15): processRequest() #3 /var/www/html/index.php(84): require_once('/var/www/html/c...') #4 {main} thrown in /var/www/html/pages/ticket/php/indicator.php on line 35