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How To Fix TPDA020 - Horizontal maximization not possible


SAP Error Message - Details

  • Message type: E = Error

  • Message class: TPDA - Debugger

  • Message number: 020

  • Message text: Horizontal maximization not possible

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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.



    What else can you do?

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

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message TPDA020 - Horizontal maximization not possible ?

    The SAP error message TPDA020: Horizontal maximization not possible typically occurs in the context of SAP's planning and optimization tools, such as SAP APO (Advanced Planning and Optimization) or SAP IBP (Integrated Business Planning). This error indicates that the system is unable to perform a horizontal maximization operation due to certain constraints or conditions not being met.

    Causes:

    1. Data Constraints: The data being processed may have constraints that prevent horizontal maximization. This could be due to insufficient capacity, conflicting demand, or other limitations in the planning data.
    2. Configuration Issues: Incorrect configuration settings in the planning area or planning book can lead to this error. This includes settings related to key figures, planning levels, or planning versions.
    3. Missing Master Data: Required master data (like product, location, or resource) may be missing or incorrectly set up, which can hinder the maximization process.
    4. Planning Object Issues: The planning objects involved may not be compatible with horizontal maximization due to their characteristics or settings.

    Solutions:

    1. Check Data Integrity: Review the data being used in the planning process. Ensure that all necessary master data is available and correctly configured.
    2. Review Constraints: Analyze the constraints that may be causing the issue. This includes checking capacity constraints, demand forecasts, and any other relevant parameters.
    3. Configuration Review: Verify the configuration settings in the planning area or planning book. Ensure that they are set up correctly for horizontal maximization.
    4. Run Planning Runs: Sometimes, running a planning run or recalculating the planning data can resolve temporary inconsistencies that lead to this error.
    5. Consult Documentation: Refer to SAP documentation or notes related to the specific planning tool you are using for any additional troubleshooting steps or known issues.
    6. Seek Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional insights or solutions based on your specific system configuration.

    Related Information:

    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
    • Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
    • Training and Documentation: Ensure that users involved in planning processes are adequately trained and have access to the necessary documentation to understand the planning tools and their configurations.

    By following these steps, you should be able to identify the root cause of the TPDA020 error and implement a suitable solution.

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