Fatal error: Uncaught Error: Interface "App\Contracts\Messaging\SmppSubmissionRepositoryInterface" not found in C:\xampp\htdocs\smsgateway2\app\Infrastructure\Smpp\Submission\DatabaseSmppSubmissionRepository.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\smsgateway2\app\Infrastructure\Smpp\Submission\DatabaseSmppSubmissionRepository.php on line 26