Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\alt-three\locker\src\LockerServiceProvider.php:31 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\alt-three\locker\src\LockerServiceProvider.php on line 31