How To Fix KE221 - Derivation structure & cannot be changed

KE221 - Overview

• Message type: E = Error

• Message class: KE -

• Message number: 221

• Message text: Derivation structure & cannot be changed

What causes this issue?

The derivation structure cannot be changed because derivation rules
have already been defined for it.

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?

To change the derivation structure, you must first delete all the
derivation rules belonging to this structure.

Error message extract from SAP system. Copyright SAP SE.

KE221 - Details

• The SAP error message KE221, which states "Derivation structure & cannot be changed," typically occurs in the context of Profitability Analysis (CO-PA) when you attempt to modify a derivation structure that is already in use or has been activated. This error is a safeguard to prevent changes that could disrupt existing configurations or data integrity.
  
  Cause:
  
  Active Derivation Structure: The derivation structure you are trying to change is currently active and in use.
  Dependencies: There may be dependencies or references to the derivation structure in other configurations or processes.
  Authorization Issues: You may not have the necessary authorizations to make changes to the derivation structure.
  
  
  Solution:
  
  Check Activation Status: Ensure that the derivation structure is not currently active. If it is, you may need to deactivate it before making changes.
  Review Dependencies: Investigate if there are any dependencies or references to the derivation structure in other configurations. You may need to adjust or remove these dependencies first.
  Authorization