Fatal error: Uncaught Error: Class 'Magento\Framework\Component\ComponentRegistrar' not found in /home/magentopractice/public_html/setup/src/Magento/Setup/registration.php:9 Stack trace: #0 /home/magentopractice/public_html/app/etc/NonComposerComponentRegistration.php(29): require_once() #1 [internal function]: Magento\NonComposerComponentRegistration\{closure}('/home/magentopr...') #2 /home/magentopractice/public_html/app/etc/NonComposerComponentRegistration.php(29): array_map(Object(Closure), Array) #3 /home/magentopractice/public_html/app/etc/NonComposerComponentRegistration.php(33): Magento\NonComposerComponentRegistration\{closure}() #4 /home/magentopractice/public_html/vendor/composer/autoload_real.php(73): require('/home/magentopr...') #5 /home/magentopractice/public_html/vendor/composer/autoload_real.php(63): composerRequire73e5044aa84a6971d0e605b1bc04dcb6('27a5783f6a5e8d8...', '/home/magentopr...') #6 /home/magentopractice/public_html/vendor/autoload.php(7): ComposerAutoloaderInit73e5044aa84a6971d0e605b1bc04dcb6: in /home/magentopractice/public_html/setup/src/Magento/Setup/registration.php on line 9