Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in C:\Apache24\htdocs\vendor.old2\barryvdh\laravel-debugbar\src\ServiceProvider.php:17 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old2\barryvdh\laravel-debugbar\src\ServiceProvider.php on line 17