How To Fix AH628 - Primary meter device &1 register &2 is its own secondary meter

AH628 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 628

• Message text: Primary meter device &1 register &2 is its own secondary meter

What causes this issue?

A meter cannot be its own secondary meter.
For example:
Meter Z1 is the primary meter for meter Z2
Meter Z2 is the primary meter for meter Z3
Meter Z3 is the primary meter for meter Z1
These serial switching relationships are inconsistent for meter Z1. For
primary meter device &V1& register &V2& with the logical register
number &V3&, this type of inconsistency exists on &V4&.

System Response

The installation for the cited meter cannot be billed.

How to fix this error?

Correct the register relationship.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH628 - Primary meter device &1 register &2 is its own secondary meter ?

  The SAP error message AH628 indicates that there is a configuration issue with the meter device in the SAP system, specifically that a primary meter is incorrectly set up to reference itself as a secondary meter. This can occur in the context of utility billing and meter management within SAP IS-U (Industry Solution for Utilities).
  
  Cause:
  The error occurs when:
  
  A primary meter device is configured to have itself as a secondary meter. This is not a valid configuration because a primary meter should reference a different secondary meter.
  There may be a data entry error or a misconfiguration in the meter setup.
  
  
  Solution:
  To resolve the AH628 error, you can follow these steps:
  
  
  Check Meter Configuration:
  
  Go to the transaction code for meter management (e.g., EL31 for meter reading or EL30 for meter data management).
  Review the configuration of the primary meter device and its associated secondary meters.
  
  
  
  Correct the Secondary Meter Assignment:
  
  If the primary meter is incorrectly assigned