Hello Swipe! I Need help with Error Message: Discount Value must be greater than or equal to zero or Discount Net Value must be greater than or equal to zero

General
1

From the above error message, we can understand the following,

  1. The Discount Value (the % or amount of discount entered) is less than zero, or
  2. The Discount Net Value (the actual discounted price or computed discount) is less than zero.