Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /home/witforev/school1.witforever.com/vendor/laravel/roster/src/RosterServiceProvider.php:7 Stack trace: #0 {main} thrown in /home/witforev/school1.witforever.com/vendor/laravel/roster/src/RosterServiceProvider.php on line 7