This error is displayed when the order is not valid for the items listed or not qualified for the reward applied.
Screenshot of the error is attached below:
What needs to be checked to resolve this issue:
- Whether the item id or item family is added to the Qualification criteria used for the redeemable or the reward selected which displayed the error.
- Only the reward will be applied to the order when it will have the item id or family mentioned in the Qualification criteria.