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