Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\Users\Administrator\Desktop\bb\laragon\www\vendor\kavenegar\laravel\src\ServiceProviderLaravel5.php:4 Stack trace: #0 {main} thrown in C:\Users\Administrator\Desktop\bb\laragon\www\vendor\kavenegar\laravel\src\ServiceProviderLaravel5.php on line 4