Fatal error: Uncaught TypeError: SwagCustomProducts\Components\Services\TemplateService::getTemplateId(): Argument #1 ($productId) must be of type int, null given, called in /homepages/33/d19648383/htdocs/Shopware/custom/plugins/SwagCustomProducts/Components/Services/TemplateService.php on line 74 and defined in /homepages/33/d19648383/htdocs/Shopware/custom/plugins/SwagCustomProducts/Components/Services/TemplateService.php:369 Stack trace: #0 /homepages/33/d19648383/htdocs/Shopware/custom/plugins/SwagCustomProducts/Components/Services/TemplateService.php(74): SwagCustomProducts\Components\Services\TemplateService->getTemplateId() #1 /homepages/33/d19648383/htdocs/Shopware/custom/plugins/SwagCustomProducts/Subscriber/Frontend.php(79): SwagCustomProducts\Components\Services\TemplateService->getTemplateByProductId() #2 /homepages/33/d19648383/htdocs/Shopware/engine/Library/Enlight/Event/Handler/Default.php(90): SwagCustomProducts\Subscriber\Frontend->onPostDispatchFrontendDetail() #3 /homepages/33/d19648383/htdocs/Shopware/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Default->execute() #4 /homepages/33/d19648383/htdocs/Shopware/engine/Library/Enlight/Controller/Action.php(203): Enlight_Event_EventManager->notify() #5 /homepages/33/d19648383/htdocs/Shopware/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch() #6 /homepages/33/d19648383/htdocs/Shopware/engine/Library/Enlight/Controller/Front.php(226): Enlight_Controller_Dispatcher_Default->dispatch() #7 /homepages/33/d19648383/htdocs/Shopware/engine/Shopware/Kernel.php(195): Enlight_Controller_Front->dispatch() #8 /homepages/33/d19648383/htdocs/Shopware/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle() #9 /homepages/33/d19648383/htdocs/Shopware/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #10 /homepages/33/d19648383/htdocs/Shopware/engine/Shopware/Components/HttpCache/AppCache.php(270): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward() #11 /homepages/33/d19648383/htdocs/Shopware/vendor/symfony/http-kernel/HttpCache/HttpCache.php(452): Shopware\Components\HttpCache\AppCache->forward() #12 /homepages/33/d19648383/htdocs/Shopware/vendor/symfony/http-kernel/HttpCache/HttpCache.php(346): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch() #13 /homepages/33/d19648383/htdocs/Shopware/engine/Shopware/Components/HttpCache/AppCache.php(196): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup() #14 /homepages/33/d19648383/htdocs/Shopware/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup() #15 /homepages/33/d19648383/htdocs/Shopware/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #16 /homepages/33/d19648383/htdocs/Shopware/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle() #17 {main} thrown in /homepages/33/d19648383/htdocs/Shopware/custom/plugins/SwagCustomProducts/Components/Services/TemplateService.php on line 369