How To Fix FKKMA127 - The change affects existing data

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKMA - Messages for Master Agreement

• Message number: 127

• Message text: The change affects existing data

What causes this issue?

You have made a change that affects existing data. Changes to the data
of the invoicing list are ignored.
Be aware that this message is only issued once in the change
transaction, even if further changes are made after this message is iss
ued.

System Response

Billed items that are affected by this change could already exist. The
system writes a log entry for this master agreement. In billing, the
system processes the log entry automatically. The system reverses the
affected billed items and rebills them. At event <DS:TRAN.FQEVENT_0532>
0532</>, you can exclude the billing document from being reversed if
required.
The following changes cause the system to update a log entry of this
kind:
Assignment of a partner to a partner group
Assignment of a product to a product group
Assignment of items to an agreement
Assignment of a restriction to an agreement
Definition or deletion of a version

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKMA127 - The change affects existing data ?

  The SAP error message FKKMA127 ("The change affects existing data") typically occurs in the context of the Contract Accounts Receivable and Payable (FI-CA) module when you attempt to make changes to certain fields or settings that have implications for existing data. This error is a safeguard to prevent inconsistencies in the database.
  Cause:
  The error is triggered when you try to modify a field or setting that is linked to existing records in the system. This could happen in various scenarios, such as:
  
  Changing the payment terms for a customer account that already has open items.
  Modifying the account type or status that affects existing transactions.
  Adjusting configuration settings that impact historical data.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Change: Understand the specific change you are trying to make and why it is causing the error. Check the documentation or help files related to the specific field or setting.
  
  
  Check Dependencies: Identify if there are existing records that depend on the field you are trying to change. You may need to clear or adjust these records before making the change.
  
  
  Use Transaction Codes: If applicable, use transaction codes like FQEVENT or FQZ1 to analyze the impact of your changes on existing data.
  
  
  Consult with a Functional Consultant: If you are unsure about the implications of the change, consult with an SAP functional consultant who specializes in FI-CA. They can provide insights into the best practices for making such changes.
  
  
  Consider Data Migration: If the change is necessary and cannot be made directly, consider using data migration tools or scripts to update existing records in a controlled manner.
  
  
  Testing: Always test changes in a development or quality assurance environment before applying them to production to ensure that they do not cause further issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Documentation: Review the SAP Help Portal for documentation related to the FI-CA module and the specific functionality you are working with.
  Community Forums: Engage with SAP community forums or user groups where you can find discussions related to similar issues and solutions shared by other users.
  
  By following these steps, you should be able to address the FKKMA127 error and implement the necessary changes in your SAP system.