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How To Fix SWDP_WB_TOOL206 - Mapping is only possible if parent of &1 is mapped to parent of &2


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

  • Message number: 206

  • Message text: Mapping is only possible if parent of &1 is mapped to parent of &2

  • Show details Hide details
  • What causes this issue?

    You want to define mapping for the context element &V1&. The parent node
    &V1& has mapping, but its original node is not the parent node of the
    context element &V2&, which you wish to define as the original for the
    mapping to &V1&.

    System Response

    The system rejects the mapping function.

    How to fix this error?

    Mapping is not possible particularly when the parent node for &V1& is
    simultaneously the root node of the context - since root nodes cannot be
    mapped.

    Procedure for System Administrators

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message SWDP_WB_TOOL206 - Mapping is only possible if parent of &1 is mapped to parent of &2 ?

    The SAP error message SWDP_WB_TOOL206 indicates that there is an issue with the mapping of objects in the SAP Web Dynpro environment. Specifically, it states that mapping is only possible if the parent of the source object (&1) is mapped to the parent of the target object (&2). This typically occurs when you are trying to create a mapping between two components or contexts in Web Dynpro, but the hierarchical structure of the components does not align correctly.

    Cause:

    1. Hierarchical Structure Mismatch: The error usually arises when the source and target components do not share a common parent in their respective context nodes. In Web Dynpro, context nodes are organized in a hierarchical structure, and mappings can only occur between nodes that are at the same level or have a direct parent-child relationship.
    2. Incorrect Mapping Configuration: The mapping configuration may have been set up incorrectly, leading to a situation where the source and target nodes are not compatible for mapping.

    Solution:

    1. Check Hierarchical Structure: Review the context nodes of both the source and target components. Ensure that the parent nodes of both components are correctly mapped. You may need to adjust the context structure to ensure that they align properly.
    2. Adjust Mappings: If the parent nodes are not mapped, you will need to create a mapping for the parent nodes first before you can map the child nodes. This may involve creating new mappings or adjusting existing ones.
    3. Use the Web Dynpro Component Configuration: Open the Web Dynpro component configuration and check the mappings. Ensure that the parent-child relationships are correctly defined.
    4. Debugging: If you are still facing issues, consider using debugging tools to trace the mapping process and identify where the mismatch occurs.

    Related Information:

    • Web Dynpro Documentation: Refer to the official SAP documentation on Web Dynpro for more details on context mapping and hierarchical structures.
    • SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
    • SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.

    By ensuring that the parent nodes are correctly mapped and that the hierarchical structure is maintained, you should be able to resolve the SWDP_WB_TOOL206 error.

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