Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\demo_old\vendor\laravel\sanctum\src\SanctumServiceProvider.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\demo_old\vendor\laravel\sanctum\src\SanctumServiceProvider.php on line 13