Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\Pivot' not found in /home/edmedu/www/edmclass.com/Domains/Promotion/Infrastructure/Model/CouponProductOption.php:8 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com/Domains/Promotion/Infrastructure/Model/CouponProductOption.php on line 8