Fatal error: Uncaught Error: Class "Magento\Framework\Component\ComponentRegistrar" not found in /var/www/html/vendor/magento/framework/registration.php:9 Stack trace: #0 /var/www/html/vendor/composer/autoload_real.php(41): require() #1 /var/www/html/vendor/composer/autoload_real.php(45): {closure}('07ec02c7e667fdc...', '/var/www/html/v...') #2 /var/www/html/vendor/autoload.php(22): ComposerAutoloaderInitf1c042b7eb1362aa4cf9312a87dd4d98::getLoader() #3 /var/www/html/app/autoload.php(51): include('/var/www/html/v...') #4 /var/www/html/app/bootstrap.php(44): require_once('/var/www/html/a...') #5 /var/www/html/pub/index.php(12): require('/var/www/html/a...') #6 {main} thrown in /var/www/html/vendor/magento/framework/registration.php on line 9