Fatal error: Uncaught Error: Class "Magento\Framework\Component\ComponentRegistrar" not found in /home/magento/htdocs/vendor/magento/framework/registration.php:9 Stack trace: #0 /home/magento/htdocs/vendor/composer/autoload_real.php(79): require() #1 /home/magento/htdocs/vendor/composer/autoload_real.php(62): composerRequire0873cc6d1945fe2d87c497205fcd5f27('07ec02c7e667fdc...', '/home/magento/h...') #2 /home/magento/htdocs/vendor/autoload.php(7): ComposerAutoloaderInit0873cc6d1945fe2d87c497205fcd5f27::getLoader() #3 /home/magento/htdocs/app/autoload.php(51): include('/home/magento/h...') #4 /home/magento/htdocs/app/bootstrap.php(44): require_once('/home/magento/h...') #5 /home/magento/htdocs/pub/index.php(12): require('/home/magento/h...') #6 {main} thrown in /home/magento/htdocs/vendor/magento/framework/registration.php on line 9