How To Fix AJ105 - Portion has been changed within the period-end billing period

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 105

• Message text: Portion has been changed within the period-end billing period

What causes this issue?

You changed the portion from &v1& to &v2& for the contract. You made
this change within a period-end billing period. However, you are not
permitted to change the portion within a period-end billing 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 portion does not change within the period-end billing
period. The current period-end billing period started on &v3&. If you
wish to allocate the contract to a different portion, you can do this
after the end of 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 AJ105 - Portion has been changed within the period-end billing period ?

  The SAP error message AJ105, which states "Portion has been changed within the period-end billing period," typically occurs in the context of billing and revenue recognition processes in SAP, particularly when dealing with service contracts or projects. This error indicates that there has been a modification to a portion of the billing data that is not allowed during the period-end closing process.
  Cause:
  
  Data Changes: The error is triggered when there are changes made to billing-related data (like billing plans, service orders, or contracts) after the billing period has been closed or is in the process of being closed.
  Period-End Closing: The system is designed to prevent changes to certain data during the period-end closing to ensure the integrity of financial reporting.
  Open Items: There may be open items or pending transactions that are still linked to the billing period, which can cause conflicts when changes are attempted.
  
  Solution:
  
  Check for Changes: Review any recent changes made to the billing documents, contracts, or service orders. Ensure that no modifications are being made during the period-end closing.
  Revert Changes: If changes were made inadvertently, revert them to their original state before the period-end closing process.
  Close Period Properly: Ensure that the period-end closing process is completed properly. If necessary, consult with your finance team to confirm that all transactions are finalized.
  Use Transaction Codes: Utilize transaction codes like FBL1N, FBL3N, or FBL5N to check for open items that may be causing the issue.
  Consult Documentation: Refer to SAP documentation or notes related to billing and period-end closing for specific guidance on handling this error.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves complex configurations or customizations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles: Ensure that users attempting to make changes have the appropriate authorizations, as restrictions may also lead to this error.
  Testing Environment: If possible, replicate the issue in a testing environment to better understand the cause without affecting live data.
  Training: Provide training to users on the importance of adhering to period-end closing procedures to minimize the occurrence of such errors in the future.
  
  By following these steps, you should be able to identify the cause of the AJ105 error and implement a solution to resolve it.