Fatal error: Uncaught Laminas\Diactoros\Exception\InvalidArgumentException: Uri provided to Laminas\Diactoros\Response\RedirectResponse MUST be a string or Psr\Http\Message\UriInterface instance; received "NULL" in /var/www/clients/client2/web5/web/includes/vendor/laminas/laminas-diactoros/src/Response/RedirectResponse.php:36 Stack trace: #0 /var/www/clients/client2/web5/web/includes/src/Router/Controller/ProductListController.php(216): Laminas\Diactoros\Response\RedirectResponse->__construct() #1 /var/www/clients/client2/web5/web/includes/src/Router/Controller/ProductListController.php(101): JTL\Router\Controller\ProductListController->checkProductRedirect() #2 /var/www/clients/client2/web5/web/includes/src/Router/Controller/CategoryController.php(80): JTL\Router\Controller\ProductListController->getResponse() #3 /var/www/clients/client2/web5/web/includes/src/Router/Controller/DefaultController.php(121): JTL\Router\Controller\CategoryController->getResponse() #4 /var/www/clients/client2/web5/web/includes/src/Router/Router.php(737): JTL\Router\Controller\DefaultController->getResponse() #5 /var/www/clients/client2/web5/web/includes/src/Shop.php(510): JTL\Router\Router->dispatch() #6 /var/www/clients/client2/web5/web/index.php(9): JTL\Shop::dispatch() #7 {main} thrown in /var/www/clients/client2/web5/web/includes/vendor/laminas/laminas-diactoros/src/Response/RedirectResponse.php on line 36