Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\cms-propay\vendor\laravel-admin-ext\chartjs\src\ChartjsServiceProvider.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cms-propay\vendor\laravel-admin-ext\chartjs\src\ChartjsServiceProvider.php on line 8