How To Fix FMKU078 - In the transfer the grouping key for &1 must be unique

SAP Error Message - Details

• Message type: E = Error

• Message class: FMKU - FM budgeting, kernel utilities

• Message number: 078

• Message text: In the transfer the grouping key for &1 must be unique

What causes this issue?

When you transfer the budget, the &V1& side has different grouping keys.
This message is displayed because you have activated a calculation of
the grouping key.
Please see the IMG activity <DS:SIMG.FMKU_GROUPING_KEY>Define Grouping
Key</> for more information.
The BAdI implementation of the checks for the grouping key is also
active.

System Response

Processing is stopped.

How to fix this error?

You should ensure that the grouping key is the same as in your carryover
document.
If you want to carry over the budget from one grouping key to another,
you must deactivate the implementation
<DS:BI.FMKU_BUDGET_EVNT_GK>Budgeting Interface</> of the BAdI
<DS:SIMG.FMKU_BUDGET_EVNT>Enhance Checks and Document Postings</>.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMKU078 - In the transfer the grouping key for &1 must be unique ?

  The SAP error message FMKU078 indicates that there is an issue with the uniqueness of the grouping key during a transfer process in the Funds Management (FM) module. This error typically arises when you are trying to post a transaction that requires a unique grouping key, but the system finds duplicate entries for that key.
  Cause:
  The error occurs when:
  
  Duplicate Grouping Key: The grouping key (which could be a combination of fields like fund, commitment item, etc.) is not unique in the context of the transaction you are trying to process.
  Incorrect Data Entry: There may be incorrect or duplicate data entries in the relevant tables that are being referenced during the transaction.
  Configuration Issues: The configuration settings for the Funds Management module may not be set up correctly, leading to conflicts in how grouping keys are defined or processed.
  
  Solution:
  To resolve the FMKU078 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the entries in the relevant tables (e.g., FM documents, commitment items) to identify any duplicates for the grouping key you are trying to use.
  Use transaction codes like SE16 or SE11 to view the relevant database tables and check for duplicate entries.
  
  
  
  Correct Data Entries:
  
  If you find duplicates, you may need to correct or delete the duplicate entries to ensure that the grouping key is unique.
  Ensure that the data you are entering in the transaction is correct and does not conflict with existing entries.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the Funds Management module to ensure that the grouping keys are defined correctly.
  If necessary, consult with your SAP configuration team to review the settings related to the grouping key.
  
  
  
  Test the Transaction:
  
  After making the necessary corrections, try to reprocess the transaction to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help notes related to the FM module for additional guidance on handling grouping keys and related errors.
  
  
  
  Seek Support:
  
  If the issue continues, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FMX1 (Create FM Document), FMX2 (Change FM Document), and FMX3 (Display FM Document) to manage FM documents.
  SAP Notes: Search for SAP Notes related to FMKU078 for any specific fixes or updates that may address this error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to identify and resolve the cause of the FMKU078 error in your SAP system.