How To Fix /SAPAPO/OM_ERROR079 - Doubled input/output nodes


SAP Error Message - Details

  • Message type: E = Error

  • Message class: /SAPAPO/OM_ERROR -

  • Message number: 079

  • Message text: Doubled input/output nodes

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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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message /SAPAPO/OM_ERROR079 - Doubled input/output nodes ?

    The SAP error message /SAPAPO/OM_ERROR079 indicates that there are "Doubled input/output nodes" in the context of SAP Advanced Planning and Optimization (APO). This error typically arises during the planning process when the system detects that there are duplicate nodes in the input/output configuration of a planning model.

    Cause:

    The error is usually caused by one of the following issues:

    1. Duplicate Nodes: The planning model has been configured with the same node appearing more than once in the input or output configuration.
    2. Incorrect Model Configuration: The configuration of the planning model may not adhere to the expected structure, leading to conflicts in node definitions.
    3. Data Integrity Issues: There may be inconsistencies in the master data or planning data that result in the same node being referenced multiple times.

    Solution:

    To resolve the /SAPAPO/OM_ERROR079 error, you can follow these steps:

    1. Check the Planning Model Configuration:

      • Go to the planning model in the SAP APO system.
      • Review the input and output nodes to ensure that there are no duplicates.
      • If duplicates are found, remove or correct them to ensure that each node is unique.
    2. Validate Master Data:

      • Check the master data related to the nodes in question. Ensure that there are no duplicate entries in the master data that could lead to this error.
      • If necessary, clean up the master data to eliminate duplicates.
    3. Reconfigure the Model:

      • If the model configuration is incorrect, consider reconfiguring the model to align with the expected structure.
      • Ensure that the relationships between nodes are correctly defined.
    4. Test the Changes:

      • After making the necessary adjustments, test the planning process again to see if the error persists.
      • Monitor the system for any further issues related to node configuration.
    5. Consult Documentation:

      • Refer to SAP documentation or notes related to this error for additional insights or specific instructions that may apply to your version of SAP APO.
    6. Seek Support:

      • If the issue persists after following the above steps, consider reaching out to SAP support or consulting with an SAP APO expert for further assistance.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error.
    • APO Documentation: Review the official SAP APO documentation for best practices in model configuration and node management.
    • Community 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 and resolve the cause of the /SAPAPO/OM_ERROR079 error in your SAP APO environment.

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