Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Factories\Factory' not found in /home/edmedu/www/edmclass.com.bak/edmclass-front/database/factories/Promotion/CouponFactory.php:10 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-front/database/factories/Promotion/CouponFactory.php on line 10