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 start of &V1& ofperiod &V1&-&V2& that is to be created. The exact cause of error iswritten in the previous message and occured in function moduleISU_IZWST_LE_MARGIN_DETERMINE.

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