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How To Fix W_CB355 - Field Chain &1 is reserved for internal use


SAP Error Message - Details

  • Message type: E = Error

  • Message class: W_CB -

  • Message number: 355

  • Message text: Field Chain &1 is reserved for internal use

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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 W_CB355 - Field Chain &1 is reserved for internal use ?

    SAP Error Message:
    W_CB355 Field Chain &1 is reserved for internal use


    Cause:

    This warning message occurs when a user tries to define or use a field chain (a sequence of fields or a field group) in a context where the field chain name is reserved by SAP for internal purposes. SAP reserves certain field chain names to ensure internal processes and standard functionalities are not disrupted.

    The placeholder &1 in the message is replaced by the actual field chain name you attempted to use.


    Explanation:

    • Field chains are used in SAP to group fields together, often in the context of data extraction, reporting, or data transfer.
    • SAP reserves some field chain names to avoid conflicts with internal processing or standard SAP programs.
    • Attempting to create or use a field chain with a reserved name triggers this warning.

    Solution:

    1. Check the field chain name:
      Verify the name of the field chain you are trying to create or use. Avoid using names that are reserved by SAP.

    2. Rename the field chain:
      Choose a different, unique name for your field chain that does not conflict with SAP reserved names.

    3. Consult SAP documentation or notes:
      Sometimes SAP provides a list of reserved field chain names or naming conventions. Check SAP Notes or the relevant module documentation.

    4. Check for custom naming conventions:
      If you are working in a custom development or enhancement, follow your organization's naming conventions to avoid conflicts.


    Related Information:

    • This message is a warning (W_), so it may not stop processing but indicates a potential issue.
    • The message is often encountered in modules related to data extraction, BW (Business Warehouse), or data transfer processes.
    • If you are unsure which names are reserved, consult SAP support or check SAP Notes related to your module.
    • In some cases, the reserved field chains are used internally by SAP for standard extractors or data sources.

    Summary:

    Aspect Details
    Message W_CB355 Field Chain &1 is reserved for internal use
    Cause Using a field chain name reserved by SAP internally
    Solution Rename the field chain to a non-reserved name
    Notes Check SAP documentation or notes for reserved names

    If you provide the exact field chain name you are trying to use, I can help verify if it is reserved or suggest an alternative.

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