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How To Fix WL812 - Work item &: Callback function module & cannot be set


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WL - Workflow: run-time messages

  • Message number: 812

  • Message text: Work item &: Callback function module & cannot be set

  • Show details Hide details
  • What causes this issue?

    The callback function module for the callback of the work item to the
    workflow manager (WFM) cannot be set. It is not possible to update the
    work item header.

    System Response

    The action was terminated, the work item was not changed.

    How to fix this error?

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

    INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message WL812 - Work item &: Callback function module & cannot be set ?

    The SAP error message WL812 indicates that there is an issue with a work item in the workflow system, specifically related to a callback function module that cannot be set. This error typically arises in the context of SAP Business Workflow when the system is unable to find or execute the specified function module for a work item.

    Causes:

    1. Missing Function Module: The specified callback function module may not exist in the system or may have been deleted.
    2. Authorization Issues: The user executing the workflow may not have the necessary authorizations to execute the function module.
    3. Incorrect Configuration: The workflow may be incorrectly configured, pointing to a non-existent or incorrect function module.
    4. Transport Issues: If the workflow was transported from one system to another, the function module may not have been included in the transport request.
    5. Syntax Errors: There may be syntax errors or issues within the function module itself that prevent it from being executed.

    Solutions:

    1. Check Function Module: Verify that the function module specified in the error message exists in the system. You can do this by using transaction SE37 (Function Builder) to search for the function module.
    2. Review Workflow Configuration: Check the workflow configuration in transaction SWDD (Workflow Builder) to ensure that the correct function module is assigned to the work item.
    3. Authorization Check: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 (Authorization Check) after the error occurs.
    4. Transport Check: If the workflow was recently transported, ensure that the function module was included in the transport request and is available in the target system.
    5. Debugging: If the function module exists and is correctly configured, you may need to debug the function module to identify any runtime errors or issues that may be causing the failure.
    6. Consult Documentation: Review any relevant SAP documentation or notes related to the specific function module or workflow to see if there are known issues or additional configuration steps required.

    Related Information:

    • Transaction Codes:
      • SWDD: Workflow Builder
      • SE37: Function Builder
      • SU53: Authorization Check
      • SWI1: Work Item Selection
    • SAP Notes: Check the SAP Support Portal for any notes related to the specific error message or function module for additional guidance.
    • Workflow Logs: Use transaction SWI1 to check the work item logs for more details on the error and its context.

    If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or Workflow team for further assistance.

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