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How To Fix WI106 - Automatic binding not possible


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WI - BPT Workflow: Messages from Info System

  • Message number: 106

  • Message text: Automatic binding not possible

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Smart SAP Assistant

  • What is the cause and solution for SAP error message WI106 - Automatic binding not possible ?

    SAP Error Message:
    WI106 - Automatic binding not possible


    Cause:

    The error message WI106 occurs in SAP Workflow when the system tries to automatically bind (assign) a workflow container element to a task container element or a method parameter, but it fails. This usually happens because the system cannot find a suitable object or data reference to bind automatically.

    Common reasons include:

    • The workflow container element and the task container element have incompatible data types.
    • The required data is not available or not passed correctly in the workflow container.
    • The binding is missing or incorrectly defined in the workflow task or method.
    • The object instance expected for binding does not exist or is not instantiated at runtime.

    Solution:

    To resolve the WI106 error, follow these steps:

    1. Check Container Element Types:

      • Verify that the data types of the workflow container element and the task container element match or are compatible.
      • Use transaction SWDD (Workflow Builder) to inspect the container elements of the workflow and the task.
    2. Check Binding Definitions:

      • In the workflow task or method, check the binding settings.
      • Ensure that the binding is correctly defined and points to the correct container element.
      • If automatic binding is not possible, consider defining explicit binding.
    3. Ensure Data Availability:

      • Make sure that the workflow container element contains the required data before the task is triggered.
      • Use workflow logs (transaction SWI1) to check the container contents at runtime.
    4. Use Explicit Binding:

      • If automatic binding fails, define explicit binding in the workflow task or method.
      • In the task definition, manually assign the workflow container element to the task container element.
    5. Check Object Instantiation:

      • For object binding, ensure that the object instance exists and is correctly passed in the container.
      • If the object is created dynamically, verify that it is created before the binding attempt.
    6. Debugging:

      • Use the workflow debugger (transaction SWUS) to step through the workflow and check where the binding fails.
      • Check the runtime container contents and data types.

    Related Information:

    • Transaction Codes:

      • SWDD - Workflow Builder (to check workflow and task container elements)
      • PFTC - Maintain Tasks (to check task container and binding)
      • SWI1 - Workflow Log (to analyze workflow execution and container contents)
      • SWUS - Workflow Debugger
    • SAP Notes:

      • Search for SAP Notes related to error message WI106 for specific patches or known issues.
    • Documentation:

      • SAP Help Portal: Workflow container and binding concepts.
      • SAP Workflow Administration guides.

    Summary:

    WI106 - Automatic binding not possible means SAP Workflow cannot automatically assign data between containers due to type mismatch, missing data, or incorrect binding definitions. The solution is to verify container element types, ensure data availability, and define explicit bindings if necessary.


    If you provide the specific workflow or task details, I can help you with more targeted advice.

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