Fatal error: Uncaught Error: Interface "App\Libraries\Calculator\Discount\DiscountProvider" not found in C:\laragon\htdocs\eloboost24\app\Libraries\Calculator\Discount\Coupon\CouponDiscountProvider.php:12 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\app\Libraries\Calculator\Discount\Coupon\CouponDiscountProvider.php on line 12