Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/virtual/one.de/htdocs/custom/plugins/OneSupplierRedirect/Subscriber/SupplierRedirect.php:121 Stack trace: #0 /var/www/virtual/one.de/htdocs/custom/plugins/OneSupplierRedirect/Subscriber/SupplierRedirect.php(121): sizeof() #1 /var/www/virtual/one.de/htdocs/custom/plugins/OneSupplierRedirect/Subscriber/SupplierRedirect.php(63): OneSupplierRedirect\Subscriber\SupplierRedirect->getArticles() #2 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Event/Handler/Default.php(90): OneSupplierRedirect\Subscriber\SupplierRedirect->CheckAvailableProducts() #3 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Event/EventManager.php(291): Enlight_Event_Handler_Default->execute() #4 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Hook/HookExecutionContext.php(108): Enlight_Event_EventManager->filter() #5 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Hook/HookManager.php(172): Enlight_Hook_HookExecutionContext->execute() #6 /var/www/virtual/one.de/htdocs/var/cache/production_202211020949/proxies/ShopwareControllersFrontendListingProxy.php(89): Enlight_Hook_HookManager->executeHooks() #7 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Controller/Action.php(187): Shopware_Proxies_ShopwareControllersFrontendListingProxy->manufacturerAction() #8 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch() #9 /var/www/virtual/one.de/htdocs/engine/Library/Enlight/Controller/Front.php(225): Enlight_Controller_Dispatcher_Default->dispatch() #10 /var/www/virtual/one.de/htdocs/engine/Shopware/Kernel.php(197): Enlight_Controller_Front->dispatch() #11 /var/www/virtual/one.de/htdocs/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle() #12 /var/www/virtual/one.de/htdocs/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #13 /var/www/virtual/one.de/htdocs/engine/Shopware/Components/HttpCache/AppCache.php(266): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward() #14 /var/www/virtual/one.de/htdocs/vendor/symfony/http-kernel/HttpCache/HttpCache.php(452): Shopware\Components\HttpCache\AppCache->forward() #15 /var/www/virtual/one.de/htdocs/vendor/symfony/http-kernel/HttpCache/HttpCache.php(346): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch() #16 /var/www/virtual/one.de/htdocs/engine/Shopware/Components/HttpCache/AppCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup() #17 /var/www/virtual/one.de/htdocs/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup() #18 /var/www/virtual/one.de/htdocs/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #19 /var/www/virtual/one.de/htdocs/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle() #20 {main} thrown in /var/www/virtual/one.de/htdocs/custom/plugins/OneSupplierRedirect/Subscriber/SupplierRedirect.php on line 121