Diagnosis
Different reference values were found for the register in installationsV1 and v2 for the period from v3 to v4.

System Response

Procedure
Maintain the rate types: ensure that the reference value is the samefor all installations in which the register is installed.
Note the following:
The reference value is dependent on the rate used to bill the registerin the individual installations. You must therefore ensure whenentering the rate types that the resulting rates contain the samereference value.