Portal Works; Report Doesn't

[K1200]

I'm trying to solve a report/relationship problem in an application and I've resorted to putting together a simplified test database. I've closely followed a textbook example in setting up table relationships to get a summary of invoices from a specified start date.

The portal version works fine, but I can't come up with the right combination of layout definition and table references to get the same result in a printed summary. I will appreciate any recommendation on a proper direction to take.

Thanks in advance.

Invoices.fp7.ZIP