Fatal error: Uncaught Error: Class "Magento\Framework\HTTP\PhpEnvironment\Response" not found in /var/www/html/scout/vendor/magento/framework/App/Response/Http.php:25 Stack trace: #0 /var/www/html/scout/vendor/composer/ClassLoader.php(576): include() #1 /var/www/html/scout/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #2 /var/www/html/scout/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(7): Composer\Autoload\ClassLoader->loadClass() #3 /var/www/html/scout/vendor/composer/ClassLoader.php(576): include('...') #4 /var/www/html/scout/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #5 /var/www/html/scout/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Composer\Autoload\ClassLoader->loadClass() #6 /var/www/html/scout/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject() #7 /var/www/html/scout/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create() #8 /var/www/html/scout/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get() #9 /var/www/html/scout/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create() #10 /var/www/html/scout/vendor/magento/framework/App/Bootstrap.php(238): Magento\Framework\ObjectManager\ObjectManager->create() #11 /var/www/html/scout/pub/index.php(36): Magento\Framework\App\Bootstrap->createApplication() #12 {main} thrown in /var/www/html/scout/vendor/magento/framework/App/Response/Http.php on line 25