How To Fix FKKFMCHK066 - Change of account assignment for subsequent FM activation is not allowed.

FKKFMCHK066 - Overview

• Message type: E = Error

• Message class: FKKFMCHK - Funds Management Checks/Derivations in FI-CA

• Message number: 066

• Message text: Change of account assignment for subsequent FM activation is not allowed.

Self-Explanatory Message

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FKKFMCHK066 - Details

• The SAP error message FKKFMCHK066 indicates that there is an issue with changing the account assignment for a subsequent Funds Management (FM) activation. This typically occurs in the context of financial transactions where the system is trying to activate a commitment or an obligation, but the account assignment has been altered in a way that is not permitted.
  
  Cause:
  
  Account Assignment Change: The error usually arises when there is an attempt to change the account assignment (e.g., cost center, internal order, etc.) of a document that has already been posted or activated in the system.
  Subsequent FM Activation: The system does not allow changes to the account assignment for documents that are already linked to a funds management commitment or obligation.
  
  Configuration Issues: There may be configuration settings in the Funds Management module that restrict changes to account assignments after certain conditions are met.
  
  
  Solution:
  
  Review Document Status: Check the status of the document you are