Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /home/wwiwil/apps/iwill-laravel/vendor/kreait/laravel-firebase/src/ServiceProvider.php:11 Stack trace: #0 {main} thrown in /home/wwiwil/apps/iwill-laravel/vendor/kreait/laravel-firebase/src/ServiceProvider.php on line 11