Fatal error: Uncaught Error: Class 'Magento\Framework\HTTP\PhpEnvironment\Response' not found in /home/topk/public_html/vendor/magento/framework/App/Response/Http.php:23 Stack trace: #0 /home/topk/public_html/vendor/composer/ClassLoader.php(576): include() #1 /home/topk/public_html/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/home/topk/publ...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Magento\\Framewo...') #3 /home/topk/public_html/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(7): spl_autoload_call('Magento\\Framewo...') #4 /home/topk/public_html/vendor/composer/ClassLoader.php(576): include('/home/topk/publ...') #5 /home/topk/public_html/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/home/topk/publ...') #6 [internal function]: Composer\Autoload\ClassLoader->loadClass('Magento\\Framewo...') #7 /home/topk/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): spl_autoload_call('Magento\\Framewo...') #8 / in /home/topk/public_html/vendor/magento/framework/App/Response/Http.php on line 23