Fatal error: Uncaught Error: Class "Drupal\commerce_checkout\Plugin\Commerce\CheckoutPane\CompletionRegister" not found in /home/fnbrshareacopy/public_html/modules/contrib/email_registration/src/Plugin/Commerce/CheckoutPane/EmailRegistrationCompletionRegistration.php:18 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/email_registration/src/Plugin/Commerce/CheckoutPane/EmailRegistrationCompletionRegistration.php on line 18