Fatal error: Uncaught Error: Call to a member function getVariantGtins() on null in /var/www/html/src/Controller/Common/ProductController.php:81 Stack trace: #0 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(181): App\Controller\Common\ProductController->productAction(Object(Symfony\Component\HttpFoundation\Request)) #1 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #2 /var/www/html/vendor/symfony/http-kernel/Kernel.php(197): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #3 /var/www/html/public/index.php(36): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #4 {main} thrown in /var/www/html/src/Controller/Common/ProductController.php on line 81