Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Type error: Argument 1 passed to App\Entity\AddToCart::setProductVariant() must be an instance of PureIllusion\ShopBundle\Entity\ProductVariant, null given, called in /var/www/lamaisonduparasol.com/releases/939/src/Controller/ProductController.php on line 175 in /var/www/lamaisonduparasol.com/releases/939/src/Entity/AddToCart.php:46 Stack trace: #0 /var/www/lamaisonduparasol.com/releases/939/src/Controller/ProductController.php(175): App\Entity\AddToCart->setProductVariant() #1 /var/www/lamaisonduparasol.com/releases/939/vendor/symfony/http-kernel/HttpKernel.php(151): App\Controller\ProductController->detail() #2 /var/www/lamaisonduparasol.com/releases/939/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw() #3 /var/www/lamaisonduparasol.com/releases/939/vendor/symfony/framework-bundle/Controller/ControllerTrait.php(108): Symfony\Component\HttpKernel\HttpKernel->handle() #4 /var/www/lamaisonduparasol in /var/www/lamaisonduparasol.com/releases/939/src/Entity/AddToCart.php on line 46