How to set up data selection and procesing option for R48121 (invoice generation) in order to work

Hi there,

We are implementing Rental Management Module (Rental Contracts) and this module uses Service Billing Module create the billing invoices, when I run all the UBE's manually they  are working just fine and system creates the invoices RI on F03b11, but the requirement is to set up the Reports R54R300 Rental Billing  Generation  and R48121 Invoice Generation on the scheduler , the billing needs to run Monthly, what I am seeing is on report R48121 if I do not enter the Billing through Date into the processing option the system is not generating the invoices , when I introduce the