How To Fix AJ104 - Meter reading unit has been changed within the backbilling period

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 104

• Message text: Meter reading unit has been changed within the backbilling period

What causes this issue?

You changed the meter reading unit from &v1& to &v2& for the contract.
You made this change within a backbilling period. However, you are not
permitted to change the meter reading unit within a backbilling period.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Ensure that the meter reading unit does not change within the
backbilling period. The current backbilling period started on &v3&. If
you wish to allocate the contract to a different meter reading unit, y
ou can do this after the end of the backbilling period.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ104 - Meter reading unit has been changed within the backbilling period ?

  The SAP error message AJ104, which states "Meter reading unit has been changed within the backbilling period," typically occurs in the context of billing and meter reading processes in SAP IS-U (Industry Solution for Utilities). This error indicates that there has been a change in the meter reading unit (e.g., from kilowatt-hours to megawatt-hours) during a period where backbilling is applicable, which can lead to inconsistencies in billing calculations.
  Cause:
  
  Change in Meter Reading Unit: The primary cause of this error is that the meter reading unit has been altered after the initial readings were taken, and this change falls within the backbilling period.
  Backbilling Period: The backbilling period is the timeframe during which adjustments or corrections to billing can be made. If the meter reading unit is changed during this period, it can create discrepancies in the billing calculations.
  Configuration Issues: There may be configuration settings in the SAP system that allow for changes in meter reading units, which can lead to this error if not managed properly.
  
  Solution:
  
  Review Meter Reading Changes: Check the history of meter readings and identify when the unit was changed. Ensure that any changes made are valid and necessary.
  Adjust Backbilling Period: If possible, adjust the backbilling period to exclude the time when the meter reading unit was changed. This may involve changing the billing configuration or settings.
  Correct Meter Reading Unit: If the change in the meter reading unit was not intended, revert it back to the original unit before the backbilling period.
  Consult Documentation: Review SAP documentation or consult with your SAP support team to understand the implications of changing meter reading units and how to manage them effectively.
  Testing: After making any changes, conduct thorough testing to ensure that the billing calculations are correct and that the error does not reoccur.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling changes in meter reading units.
  Configuration Settings: Review the configuration settings in the SAP IS-U module related to meter reading and billing to ensure they align with business processes.
  User Training: Ensure that users involved in meter reading and billing processes are trained on the implications of changing meter reading units and the importance of maintaining consistency during the backbilling period.
  
  If the issue persists after following these steps, it may be necessary to engage with SAP support for further assistance.