Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in D:\svn\epic-site(사전예약)\default\vendor\barryvdh\laravel-ide-helper\src\IdeHelperServiceProvider.php:23 Stack trace: #0 {main} thrown in D:\svn\epic-site(사전예약)\default\vendor\barryvdh\laravel-ide-helper\src\IdeHelperServiceProvider.php on line 23