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How To Fix FKKFMCHK034 - FMTYP for difference posting not unique


SAP Error Message - Details

  • Message type: E = Error

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

  • Message number: 034

  • Message text: FMTYP for difference posting not unique

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  • Self-Explanatory Message

    Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

    To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

    Unfortunately, there isn't any extra information in this error notice.



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    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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Smart SAP Assistant

  • What is the cause and solution for SAP error message FKKFMCHK034 - FMTYP for difference posting not unique ?

    The SAP error message FKKFMCHK034 with the description "FMTYP for difference posting not unique" typically occurs in the context of contract accounts receivable and payable (FI-CA) when there is an issue with the posting of differences in financial transactions. This error indicates that the system has encountered multiple entries for the same posting type (FMTYP) that are not uniquely identifiable, leading to ambiguity in processing.

    Cause:

    1. Duplicate Posting Types: The error often arises when there are multiple entries for the same difference posting type in the configuration, which makes it unclear which entry should be used for the transaction.
    2. Configuration Issues: There may be issues in the configuration of the posting types in the FI-CA module, particularly in the settings for difference postings.
    3. Data Inconsistencies: Inconsistencies in the data or incorrect settings in the master data can also lead to this error.

    Solution:

    1. Check Configuration:

      • Navigate to the configuration settings for the posting types in the FI-CA module.
      • Ensure that each difference posting type (FMTYP) is uniquely defined and that there are no duplicates.
      • You can check the configuration in the following path:
        • SPRO > Financial Accounting > Accounts Receivable and Accounts Payable > Contract Accounts Receivable and Payable > Basic Functions > Posting > Define Posting Types.
    2. Review Master Data:

      • Check the master data for the accounts involved in the transaction to ensure that there are no inconsistencies or duplicate entries that could be causing the issue.
    3. Analyze the Transaction:

      • Review the specific transaction that triggered the error. Look for any unusual entries or configurations that might be causing the ambiguity.
    4. Consult Documentation:

      • Refer to SAP documentation or notes related to this error message for any specific recommendations or patches that may address the issue.
    5. Testing:

      • After making changes, perform tests to ensure that the error no longer occurs and that the posting works as expected.
    6. Contact SAP Support:

      • If the issue persists after checking the configuration and master data, consider reaching out to SAP support 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 postings.
    • SAP Notes: Search for SAP Notes related to FKKFMCHK034 for any known issues or patches.
    • User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.

    By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.

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