Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, class OntiusDiscountBadge\Subscribers\ListingController does not have a method "onPreDispatchListing" in /home/brihgadm/www.brickxtreme.de/engine/Library/Enlight/Event/Handler/Default.php:90 Stack trace: #0 /home/brihgadm/www.brickxtreme.de/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Default->execute() #1 /home/brihgadm/www.brickxtreme.de/engine/Library/Enlight/Controller/Action.php(176): Enlight_Event_EventManager->notify() #2 /home/brihgadm/www.brickxtreme.de/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch() #3 /home/brihgadm/www.brickxtreme.de/engine/Shopware/Kernel.php(207): Enlight_Controller_Dispatcher_Default->dispatch() #4 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle() #5 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #6 /home/brihgadm/www.brickxtreme.de/engine/Shopware/Components/HttpCache/AppCache.php(266): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward() #7 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(452): Shopware\Components\HttpCache\AppCache->forward() #8 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(346): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch() #9 /home/brihgadm/www.brickxtreme.de/engine/Shopware/Components/HttpCache/AppCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup() #10 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup() #11 /home/brihgadm/www.brickxtreme.de/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #12 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/AbstractSurrogate.php(96): Shopware\Components\HttpCache\AppCache->handle() #13 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(639) : eval()'d code(5): Symfony\Component\HttpKernel\HttpCache\AbstractSurrogate->handle() #14 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(639): eval() #15 /home/brihgadm/www.brickxtreme.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(227): Symfony\Component\HttpKernel\HttpCache\HttpCache->restoreResponseBody() #16 /home/brihgadm/www.brickxtreme.de/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #17 /home/brihgadm/www.brickxtreme.de/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle() #18 {main} thrown in /home/brihgadm/www.brickxtreme.de/engine/Library/Enlight/Event/Handler/Default.php on line 90