Claims are where an issue that was expected has not been recieved by the library. The claims interface is used to manage those claims, in particular provide the expected issue information that can be sent to the supplier.
Make a selection from the drop down list. The "All Supplies" count gives you a count of the total number of current item claims across all suppliers.
There are two ways to lodge a claim with the supplier:
The claim will be resolved once recieved status has changed. Search for the Subscription and then click "Serial receive" to locate the issue and change it's status.