Fatal error: Uncaught Error: Class 'Illuminate\Support\Collection' not found in /home/edmedu/www/edmclass.com.bak/edmclass-admin/app/Common/Base/BaseEntity.php:9 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-admin/app/Common/Base/BaseEntity.php on line 9