When running the Acknowledgement process, users may notice that a $0 Gift-in-Kind gift doesn't Acknowledge.
All gifts that are processed for $0 through the Acknowledgement process do not get acknowledged, including the payment method of Gift-in-Kind. In order to get the gift to acknowledge, ensure that an amount and an application are included in the Add a payment screen, and there is a numerical value assigned to the Receipt amount. See screen shot below.
Steps to Duplicate
From Marketing & Communications > Acknowledgements, click Run acknowledgements
Ensure that the letter that is set up to acknowledge gifts in kind is selected, and click Run
Note that a gift-in-kind gift for $0 does not get acknowledged.