Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /home/szfwxvyz/sms/sms-ito/vendor/brian2694/laravel-toastr/src/ToastrServiceProvider.php:6 Stack trace: #0 {main} thrown in /home/szfwxvyz/sms/sms-ito/vendor/brian2694/laravel-toastr/src/ToastrServiceProvider.php on line 6