Fatal error: Uncaught Error: Class 'Google\ApiCore\Transport\GrpcTransport' not found in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\gax\src\Testing\MockGrpcTransport.php:38 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\gax\src\Testing\MockGrpcTransport.php on line 38