'The coupon does not exist.', 'already_applied' => 'The coupon has been already applied.', 'invalid_coupon' => 'The coupon is not valid.', 'minimum_spend' => 'You need to spend at least :amount to apply this coupon.', 'maximum_spend' => 'You need to spend less than :amount to apply this coupon.', 'inapplicable' => 'This coupon is not applicable to your cart.', 'usage_limit_reached' => 'The coupon usage limit has been reached.', ];