Fatal error: Uncaught Error: Class "Magento\Framework\Component\ComponentRegistrar" not found in /home/hstaging/public_html/vendor/magento/framework/registration.php:9 Stack trace: #0 /home/hstaging/public_html/vendor/composer/autoload_real.php(41): require() #1 /home/hstaging/public_html/vendor/composer/autoload_real.php(45): {closure}('07ec02c7e667fdc...', '/home/hstaging/...') #2 /home/hstaging/public_html/vendor/autoload.php(22): ComposerAutoloaderInitc6ae2767af59b678ac16a93a9aca525d::getLoader() #3 /home/hstaging/public_html/app/autoload.php(51): include('/home/hstaging/...') #4 /home/hstaging/public_html/app/bootstrap.php(43): require_once('/home/hstaging/...') #5 /home/hstaging/public_html/pub/index.php(13): require('/home/hstaging/...') #6 {main} thrown in /home/hstaging/public_html/vendor/magento/framework/registration.php on line 9