Fatal error: Uncaught Error: Undefined constant Magento\Framework\Component\ComponentRegistrar::MODULES in /home/equipver/public_html/app/code/Equipv/Paypaleemail/registration.php:3 Stack trace: #0 /home/equipver/public_html/app/etc/NonComposerComponentRegistration.php(29): require_once() #1 [internal function]: Magento\NonComposerComponentRegistration\{closure}() #2 /home/equipver/public_html/app/etc/NonComposerComponentRegistration.php(27): array_map() #3 /home/equipver/public_html/app/etc/NonComposerComponentRegistration.php(34): Magento\NonComposerComponentRegistration\{closure}() #4 /home/equipver/public_html/vendor/composer/autoload_real.php(41): require('/home/equipver/...') #5 /home/equipver/public_html/vendor/composer/autoload_real.php(45): {closure}() #6 /home/equipver/public_html/vendor/autoload.php(25): ComposerAutoloaderInitfb8518d22ec459d770c27ab2b8996437::getLoader() #7 /home/equipver/public_html/app/autoload.php(51): include('/home/equipver/...') #8 /home/equipver/public_html/app/bootstrap.php(45): require_once('/home/equipver/...') #9 /home/equipver/public_html/pub/index.php(14): require('/home/equipver/...') #10 {main} thrown in /home/equipver/public_html/app/code/Equipv/Paypaleemail/registration.php on line 3