How To Fix FMKK000 - Enter a reconciliation key

SAP Error Message - Details

• Message type: E = Error

• Message class: FMKK - Document Interface IS-PS After FI-CA

• Message number: 000

• Message text: Enter a reconciliation key

What causes this issue?

The reconciliation code which should be created in FI-CA must be
specified.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMKK000 - Enter a reconciliation key ?

  The SAP error message FMKK000, which states "Enter a reconciliation key," typically occurs in the context of the Funds Management (FM) module when a user attempts to post a transaction that requires a reconciliation key but has not provided one. The reconciliation key is essential for ensuring that financial transactions are properly tracked and reconciled within the system.
  Cause:
  
  Missing Reconciliation Key: The most common cause of this error is that the user has not entered a reconciliation key in the relevant field when trying to post a transaction.
  Configuration Issues: There may be configuration settings in the Funds Management module that require a reconciliation key for certain types of transactions.
  User Input Error: The user may have overlooked the field or entered an incorrect value that does not meet the system's requirements.
  
  Solution:
  
  Enter a Reconciliation Key: The immediate solution is to ensure that you enter a valid reconciliation key in the appropriate field before attempting to post the transaction again.
  Check Configuration: If you are consistently encountering this error, it may be worth checking the configuration settings in the Funds Management module to see if the reconciliation key is mandatory for the type of transaction you are trying to post.
  Consult Documentation: Review the SAP documentation or help files related to the Funds Management module to understand the requirements for reconciliation keys.
  User Training: If this error is common among multiple users, consider providing training or guidance on the importance of reconciliation keys and how to properly enter them.
  Contact Support: If the issue persists after checking the above points, it may be necessary to contact your SAP support team or consult with an SAP expert to investigate further.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes in the Funds Management module that may require reconciliation keys.
  SAP Notes: Check for any SAP Notes related to the FMKK000 error message for additional insights or patches that may address the issue.
  User Roles and Authorizations: Ensure that the user has the necessary roles and authorizations to enter reconciliation keys and post transactions in the Funds Management module.
  
  By addressing the missing reconciliation key and ensuring proper configuration and user training, you should be able to resolve the FMKK000 error effectively.