Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /home/salkanta/test.api.salkantay-trekking.com/app/Providers/MailConfigProvider.php:8 Stack trace: #0 {main} thrown in /home/salkanta/test.api.salkantay-trekking.com/app/Providers/MailConfigProvider.php on line 8