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(78): require()
#1 /var/www/html/vendor/composer/autoload_real.php(61): composerRequire886f00115607f30103fb39d5c5ee9adf('07ec02c7e667fdc...', '/var/www/html/v...')
#2 /var/www/html/vendor/autoload.php(7): ComposerAutoloaderInit886f00115607f30103fb39d5c5ee9adf::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