Delete the gift and re-add it with the correct gift type.
Globally delete the gifts committed through batch and recommit them with the correct gift type.
- Adjust the gift amount of the payment to $0.00.
- Add a reason or a note for why it was adjusted to $0.00.
- Enter a new gift (or payment) with the correct gift type. That will allow for the ability to track the old, incorrectly entered gift, and track the new gift as well.