Diagnosis
You have entered alternative portion &v1&, which has a period length ofV2. the meter reading unit in the installation refers to portion v3,which has the period length &v4&.
The lengths do not correspond to the predefined guidelines. If the BAdIISU_BFPS_APIV is active, a multiple of the period length of thealternative portion is permitted for the period length of the originalportion.
The period length of the original portion is not a multiple of theperiod length of the alternative portion here.

Procedure
Enter an alternative portion with an appropriate period length.