Fatal error: Uncaught Error: Interface "BBNT\EmailValidation\Api\EmailServiceInterface" not found in /var/www/magento/html/app/code/BBNT/EmailValidation/Model/EmailService.php:18 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/BBNT/EmailValidation/Model/EmailService.php on line 18