Claims with a rejected or cancelled claim line, that are NDIS Paid, will sit in Override Claims.
If any claim line on an invoice has been rejected or cancelled while others have been processed, the invoice will be placed in the Override Claims list.
The software expects that this claim may require intervention, so the claim is not automatically move it to the payment batch creation stage. This gives you the opportunity to address any issues, claim additional lines, and ensure that the invoice is ready for payment in full.
You can elect to override this and Enable Payment, Edit the claim, or Cancel the Claim.
Read about Reconciling payments here: Payment Batch amount is less than has been paid to bank account