Fatal error: Uncaught TypeError: sort(): Argument #1 ($array) must be of type array, null given in /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Plugins/Community/Frontend/IMNFilter4Cars/Bootstrap.php:448 Stack trace: #0 /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Plugins/Community/Frontend/IMNFilter4Cars/Bootstrap.php(448): sort() #1 /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Plugins/Community/Frontend/IMNFilter4Cars/Bootstrap.php(117): Shopware_Plugins_Frontend_IMNFilter4Cars_Bootstrap->getKategorienJeArtikel() #2 /home/piaxpfmd/www.piaggio-vespa.de/engine/Library/Enlight/Event/Handler/Plugin.php(155): Shopware_Plugins_Frontend_IMNFilter4Cars_Bootstrap->onFrontendPostDispatch() #3 /home/piaxpfmd/www.piaggio-vespa.de/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Plugin->execute() #4 /home/piaxpfmd/www.piaggio-vespa.de/engine/Library/Enlight/Controller/Action.php(202): Enlight_Event_EventManager->notify() #5 /home/piaxpfmd/www.piaggio-vespa.de/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch() #6 /home/piaxpfmd/www.piaggio-vespa.de/engine/Library/Enlight/Controller/Front.php(226): Enlight_Controller_Dispatcher_Default->dispatch() #7 /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Kernel.php(195): Enlight_Controller_Front->dispatch() #8 /home/piaxpfmd/www.piaggio-vespa.de/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle() #9 /home/piaxpfmd/www.piaggio-vespa.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #10 /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Components/HttpCache/AppCache.php(270): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward() #11 /home/piaxpfmd/www.piaggio-vespa.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(452): Shopware\Components\HttpCache\AppCache->forward() #12 /home/piaxpfmd/www.piaggio-vespa.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(346): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch() #13 /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Components/HttpCache/AppCache.php(196): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup() #14 /home/piaxpfmd/www.piaggio-vespa.de/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup() #15 /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #16 /home/piaxpfmd/www.piaggio-vespa.de/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle() #17 {main} thrown in /home/piaxpfmd/www.piaggio-vespa.de/engine/Shopware/Plugins/Community/Frontend/IMNFilter4Cars/Bootstrap.php on line 448