How To Fix FKKMA034 - Choose a unique key

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKMA - Messages for Master Agreement

• Message number: 034

• Message text: Choose a unique key

What causes this issue?

The key entered exists for both a partner and a group.

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?

Use the input help to select a unique key.

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 FKKMA034 - Choose a unique key ?

  The SAP error message FKKMA034 ("Choose a unique key") typically occurs in the context of the SAP Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that the system requires a unique key for a specific operation, but the provided key is not unique, leading to ambiguity in the data being processed.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the database that the system is trying to access or manipulate.
  Incorrect Input: The user may have entered data that does not uniquely identify a record, such as multiple records with the same key fields.
  Configuration Issues: There may be issues with the configuration of the system that lead to the generation of non-unique keys.
  
  Solution:
  
  Check for Duplicates: Review the entries in the relevant tables to identify any duplicates. You can use transaction codes like SE16 or SE11 to view the data in the relevant tables.
  Correct Input Data: Ensure that the data being entered is correct and unique. If you are entering a reference or key, make sure it corresponds to a single record.
  Review Configuration: If the issue persists, check the configuration settings in the FI-CA module to ensure that the key fields are set up correctly and that they enforce uniqueness.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or process you are working with to see if there are any known issues or additional steps required.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL5N (Customer Line Item Display) or FBL1N (Vendor Line Item Display) to analyze the data.
  SAP Notes: Search for SAP Notes related to FKKMA034 for any patches or updates that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the FKKMA034 error and implement a solution to resolve it.