How To Fix AJ114 - Not permissible to change rate category in backbilling period

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 114

• Message text: Not permissible to change rate category in backbilling period

What causes this issue?

You have specified a floating backbilling for the contract. The
floating backbilling covers the period &v1& -- &v2&. In this period you
have changed the rate category for the installation from &v3& to &v4&.
This change is not permitted.

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 rate category for the installation is not changed
during 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 AJ114 - Not permissible to change rate category in backbilling period ?

  The SAP error message AJ114, "Not permissible to change rate category in backbilling period," typically occurs in the context of billing and invoicing processes within SAP, particularly in the Utilities module (IS-U). This error indicates that there is an attempt to change the rate category for a billing period that has already been closed or finalized, which is not allowed.
  Cause:
  
  Backbilling Period: The error arises when a user tries to change the rate category for a billing period that has already been processed or finalized. This is often referred to as a "backbilling period."
  Regulatory Compliance: In many industries, especially utilities, there are regulations that prevent changes to billing data once it has been finalized to ensure accuracy and compliance.
  System Configuration: The system may be configured to prevent changes to certain fields in specific billing statuses.
  
  Solution:
  
  Review Billing Period: Check the billing period in question to confirm whether it is indeed a backbilling period. If it is, you will need to avoid making changes to the rate category.
  Use Correct Procedures: If a change is necessary, follow the proper procedures for handling backbilling. This may involve creating a new billing document or adjustment rather than changing the existing one.
  Consult with Finance/Regulatory Team: If you believe a change is necessary, consult with your finance or regulatory compliance team to understand the implications and the correct process to follow.
  System Configuration: If you believe the error is occurring incorrectly, you may need to review the system configuration with your SAP Basis or technical team to ensure that the settings align with your business processes.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently releases notes that address specific issues or provide guidance on best practices.
  Documentation: Review SAP documentation related to billing processes in the IS-U module to understand the implications of changing rate categories and the rules governing backbilling.
  User Training: Ensure that users involved in billing processes are trained on the implications of changing rate categories and the correct procedures to follow to avoid this error.
  
  By following these steps, you should be able to address the AJ114 error effectively and ensure compliance with your organization's billing processes.