Fatal error: Uncaught Error: Call to a member function getRoute() on null in /var/www/vhosts/originalcg.be/httpdocs/CMS4U/Controller/ShoppingCart.php:30 Stack trace: #0 [internal function]: CMS4U\Controller\ShoppingCart->show() #1 /var/www/vhosts/originalcg.be/httpdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php(117): call_user_func_array() #2 /var/www/vhosts/originalcg.be/httpdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php(61): Symfony\Component\HttpKernel\HttpKernel->handleRaw() #3 /var/www/vhosts/originalcg.be/httpdocs/vendor/silex/silex/src/Silex/Application.php(516): Symfony\Component\HttpKernel\HttpKernel->handle() #4 /var/www/vhosts/originalcg.be/httpdocs/vendor/silex/silex/src/Silex/Application.php(493): Silex\Application->handle() #5 /var/www/vhosts/originalcg.be/httpdocs/index.php(20): Silex\Application->run() #6 {main} thrown in /var/www/vhosts/originalcg.be/httpdocs/CMS4U/Controller/ShoppingCart.php on line 30