Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\PHP\APPS\staging\aictec_zonetec_web\app\Providers\MailConfigServiceProvider.php:8 Stack trace: #0 {main} thrown in C:\PHP\APPS\staging\aictec_zonetec_web\app\Providers\MailConfigServiceProvider.php on line 8