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How To Fix SIW512 - Variable &1 is derived and cannot be changed


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SIW - Service Implementation Workbench

  • Message number: 512

  • Message text: Variable &1 is derived and cannot be changed

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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).

    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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SIW512 - Variable &1 is derived and cannot be changed ?

    The SAP error message SIW512 indicates that a variable (denoted as &1) is derived and cannot be changed. This typically occurs in the context of SAP Business Warehouse (BW) or SAP Analytics Cloud (SAC) when working with queries, variables, or data models.

    Cause:

    1. Derived Variable: The variable in question is derived from another variable or a calculation. Derived variables are typically calculated based on other data and are not meant to be manually changed by users.
    2. Query Design: The variable may be part of a query definition where its value is automatically calculated based on the underlying data model or logic.
    3. Data Source Restrictions: The data source or the context in which the variable is being used may impose restrictions on changing derived variables.

    Solution:

    1. Check Variable Definition: Review the definition of the variable in the query or data model. If it is indeed a derived variable, you will need to understand its source and how it is calculated.
    2. Use Alternative Variables: If you need to change the value for analysis or reporting, consider using a different variable that is not derived or create a new variable that meets your requirements.
    3. Modify Query Logic: If you have access to modify the query or data model, consider adjusting the logic to allow for user-defined input or to create a new variable that can be changed.
    4. Consult Documentation: Refer to SAP documentation or help resources for more information on working with derived variables and how to manage them in your specific context.

    Related Information:

    • SAP BW Documentation: Look for specific documentation related to variables in SAP BW queries, as it provides insights into how derived variables work.
    • SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
    • SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide updates and patches that could resolve the issue.

    If you continue to face challenges, consider reaching out to your SAP support team or a consultant who specializes in SAP BW or SAC for further assistance.

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