Fatal error: Uncaught Error: Class "Magento\Framework\Component\ComponentRegistrar" not found in /home/d3081/public_html/app/code/Dotdigitalgroup/Chat/registration.php:5 Stack trace: #0 /home/d3081/public_html/app/etc/NonComposerComponentRegistration.php(29): require_once() #1 [internal function]: Magento\NonComposerComponentRegistration\{closure}() #2 /home/d3081/public_html/app/etc/NonComposerComponentRegistration.php(31): array_map() #3 /home/d3081/public_html/app/etc/NonComposerComponentRegistration.php(34): Magento\NonComposerComponentRegistration\{closure}() #4 /home/d3081/public_html/vendor/composer/autoload_real.php(41): require('/home/d3081/pub...') #5 /home/d3081/public_html/vendor/composer/autoload_real.php(45): {closure}() #6 /home/d3081/public_html/vendor/autoload.php(25): ComposerAutoloaderInita504dcb8af9496dc2d370bd0f916e947::getLoader() #7 /home/d3081/public_html/app/autoload.php(51): include('/home/d3081/pub...') #8 /home/d3081/public_html/app/bootstrap.php(43): require_once('/home/d3081/pub...') #9 /home/d3081/public_html/pub/index.php(18): require('/home/d3081/pub...') #10 {main} thrown in /home/d3081/public_html/app/code/Dotdigitalgroup/Chat/registration.php on line 5