How To Fix KS134 - Field change &1 is not possible (transaction data already exists)

SAP Error Message - Details

• Message type: E = Error

• Message class: KS - RK-S Master Data Maintenance

• Message number: 134

• Message text: Field change &1 is not possible (transaction data already exists)

What causes this issue?

To ensure the consistency of existing data, you can only change object
&v1& if no <DS:GLOS.3526B2FCAFAB52B9E10000009B38F974>transaction
data</> exists in the change period; that is, neither plan data nor
actual data has been posted.
As transaction data already exists, it is not possible to change
objects in this time period.

How to fix this error?

If you still want to change the object, select a suitable change
interval by choosing "Edit -> Analysis period...".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KS134 - Field change &1 is not possible (transaction data already exists) ?

  The SAP error message KS134 ("Field change &1 is not possible (transaction data already exists)") typically occurs when you attempt to change a field in a cost center or internal order master data that is already linked to existing transaction data. This is a safeguard mechanism in SAP to ensure data integrity, as changing certain fields could lead to inconsistencies in the financial data.
  Cause:
  The error is triggered when:
  
  You try to modify a field in the master data (like cost center or internal order) that has already been used in transactions (e.g., postings, allocations).
  The field you are trying to change is critical for the integrity of the existing transaction data.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Check Transaction Data: Review the existing transaction data associated with the cost center or internal order. If the field change is not critical, you may choose to leave it unchanged.
  
  
  Create a New Master Record: If the change is necessary, consider creating a new cost center or internal order with the desired attributes instead of modifying the existing one.
  
  
  Use Change Documents: If applicable, check if you can use change documents to track changes without directly modifying the existing data.
  
  
  Consult with Your SAP Administrator: If you believe the change is necessary and should be allowed, consult with your SAP administrator or functional consultant. They may be able to provide insights or make adjustments to the system settings.
  
  
  Review Configuration Settings: In some cases, the configuration settings in the controlling (CO) module may need to be reviewed to allow certain changes. This should be done cautiously and typically requires authorization.
  
  
  Transaction Codes: Use transaction codes like KS02 (Change Cost Center) or KO02 (Change Internal Order) to attempt the changes, but be aware of the restrictions.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message.
  Documentation: Review SAP documentation regarding master data management in the CO module for best practices on handling changes.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to master data.
  
  Conclusion:
  The KS134 error is a protective measure in SAP to maintain data integrity. Understanding the implications of changing master data fields and following the appropriate procedures will help you manage this error effectively.