Diagnosis
When determining meter reading results within dynamic period control,and there are no estimated meter reading results on the database (thecategory of the current period = 1000 or 2000) an error occured infunction module ISU_DPC_IZWST_VIA_SIM_GET at the end of &V2& of periodV1-v2 that is to be created. the exact cause of error is written inthe previous message and occured in function moduleISU_SIM_IZWST_ESTABLISH.

Procedure
Check the meter reading results for the installation. Contact SAP ifyou cannot correct the error yourself.