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

SAP Error Message - Details

• 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 to itself as a secondary meter, you need to change this assignment.
  Assign a valid secondary meter that is different from the primary meter.
  
  
  
  Validate Meter Relationships:
  
  Ensure that the relationships between primary and secondary meters are correctly defined in the system.
  Use the appropriate transaction codes to check the relationships and make necessary adjustments.
  
  
  
  Test the Configuration:
  
  After making changes, test the configuration to ensure that the error no longer occurs.
  You can do this by attempting to perform the action that previously triggered the error.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct configuration, refer to SAP documentation or consult with a colleague who has expertise in SAP IS-U.
  
  
  
  Seek Support:
  
  If the issue persists after making the necessary changes, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  EL31 - For managing meter readings.
  EL30 - For managing meter data.
  EL02 - For displaying meter data.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional guidance on meter configuration.
  
  
  
  Documentation:
  
  Review the SAP IS-U documentation for best practices on meter management and configuration.
  
  
  
  By following these steps, you should be able to resolve the AH628 error and ensure that your meter configurations are set up correctly.