Fatal error: Uncaught Error: Interface "factor_sms\local\smsgateway\gateway_interface" not found in C:\Apache24\htdocs\moodle\admin\tool\mfa\factor\sms\classes\local\smsgateway\aws_sns.php:31 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\admin\tool\mfa\factor\sms\classes\local\smsgateway\aws_sns.php on line 31