Fatal error: Uncaught Error: Class 'Magento\Framework\Component\ComponentRegistrar' not found in /home/esecureh/public_html/magdemo/setup/src/Magento/Setup/registration.php:9 Stack trace: #0 /home/esecureh/public_html/magdemo/app/etc/NonComposerComponentRegistration.php(29): require_once() #1 [internal function]: Magento\NonComposerComponentRegistration\{closure}('/home/esecureh/...') #2 /home/esecureh/public_html/magdemo/app/etc/NonComposerComponentRegistration.php(31): array_map(Object(Closure), Array) #3 /home/esecureh/public_html/magdemo/app/etc/NonComposerComponentRegistration.php(34): Magento\NonComposerComponentRegistration\{closure}() #4 {main} thrown in /home/esecureh/public_html/magdemo/setup/src/Magento/Setup/registration.php on line 9