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 = 3000 or 4000) an error occured infunction module ISU_DPC_IZWST_STANDARD_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_IZWST_RI_MARGIN_DETERMINE.

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