How To Fix KM669 - Note: Rev./cost elements and profit and loss accounts cannot be changed

KM669 - Overview

• Message type: E = Error

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

• Message number: 669

• Message text: Note: Rev./cost elements and profit and loss accounts cannot be changed

What causes this issue?

Revenue/cost elements or profit and loss accounts are used in the
planning layouts. You cannot maintain cells that refer to these
accounts.

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.

KM669 - Details

• The SAP error message KM669 indicates that there is an attempt to change the revenue or cost elements and profit and loss accounts in a way that is not allowed. This typically occurs in the context of controlling (CO) or financial accounting (FI) modules when trying to modify certain characteristics of cost elements or accounts that are already in use.
  
  Cause:
  
  Locked Configuration: The revenue/cost elements or accounts may be locked for changes due to their usage in existing transactions or postings.
  System Settings: The system may have specific settings that prevent changes to these elements once they have been defined and used in financial transactions.
  Data Consistency: SAP enforces data consistency and integrity, which means that once certain elements are in use, they cannot be modified to avoid discrepancies in financial reporting.
  
  
  Solution:
  
  Review Usage: Check if the revenue/cost elements or accounts are currently being used in any transactions. If they are, you may need