How To Fix KM666 - Plan data was posted

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 666

• Message text: Plan data was posted

What causes this issue?

All new or changed plan data was posted.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM666 - Plan data was posted ?

  The SAP error message KM666 ("Plan data was posted") typically occurs in the context of SAP Controlling (CO) when there is an attempt to post or change planning data that has already been posted. This can happen in various scenarios, such as when trying to re-enter planning data for a cost center, internal order, or other planning objects.
  
  Cause:
  
  Data Already Posted: The primary cause of this error is that the planning data you are trying to modify or delete has already been posted to the system. Once planning data is posted, it becomes part of the actual data, and the system restricts further changes to maintain data integrity.
  Incorrect Planning Cycle: You might be trying to post data in a planning cycle that is already closed or finalized.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to modify or delete posted planning data.
  
  
  Solution:
  
  Check Posting Status: Verify if the planning data