How To Fix KM866 - Posting key missing in account determination key &1

KM866 - Overview

• Message type: E = Error

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

• Message number: 866

• Message text: Posting key missing in account determination key &1

What causes this issue?

You are using the functionality 'Balance Sheet Accounts in Profit
Centers'. No posting key could be found for account determination key
&V1&

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?

Enter posting keys for credit and debit postings for account
determination key &V1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

KM866 - Details

• The SAP error message KM866, which states "Posting key missing in account determination key &1," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with cost elements and account determination.
  
  Cause:
  This error usually arises when the system cannot find a valid posting key for a specific account determination key. The posting key is essential for determining how transactions are recorded in the financial accounting (FI) module. The reasons for this error can include:
  
  Missing Configuration: The account determination for the specific cost element or transaction type has not been properly configured in the system.
  Incorrect Posting Key: The posting key that is being referenced does not exist in the system or is not assigned to the relevant account determination key.
  Data Entry Errors: There may be a mistake in the data entry, such as using an incorrect cost element or transaction type.
  
  
  Solution:
  To resolve the KM866 error, you can follow