Fatal error: Uncaught Error: Class "Magento\Framework\Component\ComponentRegistrar" not found in /var/www/magento/html/app/code/Bss/PreSelectShippingPayment/registration.php:19 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Bss/PreSelectShippingPayment/registration.php on line 19