Extremely hard to say without remoting in and looking at it with you, but my knee *** question would be: Are you only looking at OPEN invoices?

Nancy Duhon, Esq.
Duhon Technology Solutions, LLC
Master Certified Consultant for Sage Timeslips
Providing individual Consultations and Third Party Remote Desktop Support - including older/unsupported versions.
404-325-9779
[email protected]

Nope have it set NA, Unpaid, Partial and Paid in Full

Depending on which version of Timeslips you are using, clicking on Bills, Review Bill Runs... would give you your answer.