How To Fix AJ115 - Not permissible to change rate category in period-end billing period

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 115

• Message text: Not permissible to change rate category in period-end billing period

What causes this issue?

You have specified a period-end billing for the contract. In the
current billing period &v1& -- &v2&, 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 period-end billing period.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ115 - Not permissible to change rate category in period-end billing period ?

  The SAP error message AJ115, which states "Not permissible to change rate category in period-end billing period," typically occurs in the context of billing and revenue recognition processes in SAP, particularly when dealing with contract accounts or billing documents.
  Cause:
  This error usually arises when there is an attempt to change the rate category for a billing document or contract account that is already in a period-end billing status. The system restricts changes to certain fields, including the rate category, to maintain the integrity of the billing process and ensure accurate financial reporting.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Billing Status: Verify the status of the billing document or contract account. If it is in a period-end billing status, you may need to wait until the period is closed or the billing document is released.
  
  
  Review Rate Category Changes: If a change to the rate category is necessary, you may need to reverse or adjust the billing document first. This could involve:
  
  Reversing the billing document if it has been posted.
  Making necessary adjustments to the contract or billing data before attempting to change the rate category.
  
  
  
  Consult with Finance Team: If you are unsure about the implications of changing the rate category, consult with your finance or accounting team to understand the impact on financial reporting and compliance.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (like FBL1N, FBL5N, or FB03) to review the billing documents and their statuses.
  
  
  SAP Notes and Documentation: Check for any SAP Notes or documentation that may provide additional insights or updates regarding this error message. Sometimes, specific patches or updates may address known issues.
  
  
  Testing in a Development Environment: If you are making changes to the rate category, consider testing the changes in a development or quality assurance environment before applying them in production.
  
  
  Related Information:
  
  SAP Configuration: The configuration settings for billing and rate categories can be found in the SAP Customizing Implementation Guide (IMG). Review the settings under Financial Accounting (FI) and Contract Accounts Receivable and Payable (FI-CA).
  User Authorizations: Ensure that the user attempting to make the change has the necessary authorizations to modify billing documents or contract accounts.
  Documentation: Refer to SAP Help documentation for detailed information on billing processes and error handling.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.