Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Collection' not found in D:\svn\epic-site(사전예약)\default\vendor\laravel\framework\src\Illuminate\Notifications\DatabaseNotificationCollection.php:7 Stack trace: #0 {main} thrown in D:\svn\epic-site(사전예약)\default\vendor\laravel\framework\src\Illuminate\Notifications\DatabaseNotificationCollection.php on line 7