Fatal error: Uncaught Error: Undefined class constant 'KEY_SAME_SITE' in /var/www/html/vendor/magento/framework/Stdlib/Cookie/SensitiveCookieMetadata.php:51 Stack trace: #0 /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(116): Magento\Framework\Stdlib\Cookie\SensitiveCookieMetadata->__construct(Object(Magento\Framework\App\Request\Http), Array) #1 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #2 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array) #3 /var/www/html/vendor/magento/framework/Stdlib/Cookie/CookieMetadataFactory.php(41): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #4 /var/www/html/vendor/magento/framework/App/Response/Http.php(106): Magento\Framework\Stdlib\Cookie\CookieMetadataFact in /var/www/html/vendor/magento/framework/Stdlib/Cookie/SensitiveCookieMetadata.php on line 51