How To Fix MPE_OAN148 - Start event element &1 in OAN &2, version &3 has a predecessor


SAP Error Message - Details

  • Message type: E = Error

  • Message class: MPE_OAN - Operation Activity Network Messages

  • Message number: 148

  • Message text: Start event element &1 in OAN &2, version &3 has a predecessor

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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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Smart SAP Assistant

  • What is the cause and solution for SAP error message MPE_OAN148 - Start event element &1 in OAN &2, version &3 has a predecessor ?

    The SAP error message MPE_OAN148 indicates that there is an issue with the start event element in a process model within the SAP system. Specifically, it suggests that the start event element you are trying to work with has a predecessor, which is not allowed. In process modeling, a start event should not have any predecessors because it is the initial point of the process.

    Cause:

    The error occurs when:

    • You have defined a start event in your process model that is incorrectly linked to another element (predecessor).
    • The process model is not structured correctly, leading to a violation of the rules governing the flow of events.

    Solution:

    To resolve this error, you can take the following steps:

    1. Check the Process Model: Open the process model in the SAP Business Process Modeler or the relevant tool you are using.

    2. Identify the Start Event: Locate the start event element that is causing the issue.

    3. Remove Predecessor Links: Ensure that the start event does not have any incoming links or predecessors. If it does, you need to remove those links.

    4. Validate the Model: After making the necessary changes, validate the process model to ensure that there are no other structural issues.

    5. Save and Test: Save the changes and test the process to confirm that the error has been resolved.

    Related Information:

    • Process Modeling Guidelines: Familiarize yourself with the guidelines for creating process models in SAP, as they provide rules on how elements should be structured.
    • SAP Documentation: Refer to the official SAP documentation for more detailed information on process modeling and error messages.
    • Support Community: If the issue persists, consider reaching out to the SAP community forums or SAP support for further assistance.

    By following these steps, you should be able to resolve the MPE_OAN148 error and ensure that your process model is correctly configured.

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