Diagnosis
Different meter reading groups were found for the register ininstallations &v1& and &v2& for the period from &v3& to &v4&.

System Response

Procedure
Maintain the rate types: ensure the meter reading group is the same forall installations in which the register is installed.
Note the following:
The meter reading group is dependent on the rate used to bill theregister in the individual installations. (The meter reading group isdetermined by the register operand for the rate.) You must thereforeensure when entering the rate types that the resulting rates containthe same meter reading group.