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Simulation cannot be performed due to backbilling or final billing --- ISU_SIMULATION_PERIOD_BILL


We are using the FM 'ISU_SIMULATION_PERIOD_BILL' to perform billing simulation.

We pass the below parameters to the FM

contract number (X_VERTRAG)

start (X_BEGABRPE) and end dates (X_ENDABRPE),




The rate category linked to the installation we are simulating has Period End billing applicable (Radio button 'Sep. PE billing' is selected).

Whenever the FM is executed it terminates in the subroutine 'simulation_check'. It terminates if Back Billing or period end billing is applicable (as per the rate category)

Is there any way to skip this error. May be by passing an additional parameter that will let us continue with simulation?

We also have a Z FM, which is a copy of this. We can comment the call to this subroutine and use that FM instead.

What are the implication of doing this?

This FM is used to just get the consumption values from simulated bill lines. So we are guessing that commenting the subroutine call should be fine.

Any inputs will be much appreciated. Let us know if any further information is required.


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  • Posted on Sep 21, 2015 at 01:20 PM


    There is already an implicit enhancement spot which can be done in the standard FM, ISU_SIMULATION_PERIOD_BILL to comment out the 'Simulation_Check' Perform.

    However, what this would mean is; This perform will not be triggerred for all the standard Billing smulation process, where the FM,ISU_SIMULATION_PERIOD_BILL, is being used.

    Now, if you are using this FM as a standalone for any of your business process, I would recommend you to have a copy of FM and comment out the perform for the simulation check.

    I guess this would solve your query.



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