Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /home/sourceex/public_html/pm/vendor/laravel-notification-channels/onesignal/src/OneSignalServiceProvider.php:9
Stack trace:
#0 {main}
thrown in /home/sourceex/public_html/pm/vendor/laravel-notification-channels/onesignal/src/OneSignalServiceProvider.php on line 9