Search the client that you wish to cancel a settlement payment for in the Client's section of DPP. Once you are on the desired client's page, click on the Enrollment link.
This will direct you to the Enrollment Details section where you can view the clients Payment Schedule. Scroll down on the payment schedule to find the settlement payment you wish to cancel.
Once you have found the settlement payment you wish to cancel, click on the blue "Click to Edit" icon located to the far right of the entry.
An Add/Edit Payment edit box will appear on your screen which will allow you to modify the settlement payment. Click on the Action widow drop down menu and select "Cancel Transaction". Click on the Save button to save your changes.