Click on Financial > All Stored Claims
The Stored Claims Form contains two adjacent windows
Clicking on the arrows < and > >> moves the claims back and forth between Pending Vouchers and Batched Vouchers
Only claims in Pending vouchers can be edited, so if a claim is sitting in the Batched Vouchers pane then move it back to Pending Vouchers by selecting the claim and clicking the < arrow.
Double click any claim in Pending vouchers if the claim requires adding or deleting of item numbers.