Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /opt/lampp/htdocs/msjopb/vendor/laravel/framework/src/Illuminate/Database/DatabaseServiceProvider.php:15 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjopb/vendor/laravel/framework/src/Illuminate/Database/DatabaseServiceProvider.php on line 15