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How To Fix WFF_KW012 - Content changed in document with Guid &1 and version &2


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WFF_KW - Web Financials Forms: Knowledge Warehouse Connection

  • Message number: 012

  • Message text: Content changed in document with Guid &1 and version &2

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message WFF_KW012 - Content changed in document with Guid &1 and version &2 ?

    Certainly! Here's a detailed explanation for the SAP error message:


    SAP Error Message:

    WFF_KW012 - Content changed in document with Guid &1 and version &2


    Meaning / Cause:

    This error occurs in the SAP Workflow system when the content of a workflow container element (usually a document or data object) has been changed externally or concurrently while the workflow is processing it. The workflow engine detects that the content version it is working with is outdated compared to the current version in the database.

    • Guid &1 refers to the unique identifier of the workflow container/document.
    • Version &2 refers to the version number of the document/content that the workflow expects.

    Cause details:

    • The workflow container element was modified outside the workflow after the workflow started or after the last synchronization.
    • There is a version mismatch between the workflow's internal data and the actual data in the database.
    • This can happen if multiple users or processes update the same document concurrently.
    • It can also occur if the workflow is restarted or reprocessed with outdated data.

    When does it typically occur?

    • During workflow execution steps that involve reading or updating container elements.
    • When the workflow tries to save or lock a document but finds that the document has been changed since it was last read.
    • In workflows that handle document versioning or change management.

    Solution / How to fix:

    1. Check for concurrent changes:

      • Identify if the document or container element was changed by another user or process.
      • Coordinate to avoid simultaneous updates to the same document.
    2. Synchronize the workflow container:

      • Refresh or reload the workflow container element with the latest version before processing.
      • Use function modules or methods to update the container element with the current data.
    3. Implement version control:

      • Ensure that the workflow logic handles versioning properly.
      • Use optimistic locking or version checks to prevent conflicts.
    4. Error handling in workflow:

      • Add error handling steps in the workflow to catch this error and either retry or notify the responsible user.
      • Possibly design the workflow to restart or refresh the data upon this error.
    5. Check custom code:

      • If custom workflow container elements or custom updates are involved, verify that the code correctly handles versioning and locking.
    6. SAP Notes and Support:

      • Check for relevant SAP Notes related to WFF_KW012 for your SAP version.
      • Sometimes patches or corrections are available if this is a known issue.

    Related Information:

    • Workflow container elements: These are data objects passed between workflow steps.
    • Document GUID and version: Used to uniquely identify and version control documents or data objects.
    • Function modules: SWF_WI_CONTAINER_GET, SWF_WI_CONTAINER_SET are often used to read/write container elements.
    • Optimistic Locking: SAP workflow uses version numbers to detect changes and avoid overwriting newer data.
    • Transaction codes:
      • SWI1 - Workflow log to analyze workflow errors.
      • SWDD - Workflow Builder to check workflow design.
      • SWI2_FREQ - Workflow tasks and errors.

    Summary:

    Aspect Description
    Error Content changed in document with Guid &1 and version &2
    Cause Workflow container element was changed externally; version mismatch detected
    Effect Workflow cannot proceed with outdated data
    Solution Refresh container data, avoid concurrent changes, implement version control, handle errors
    Tools Workflow logs (SWI1), Workflow Builder (SWDD), SAP Notes

    If you provide more context (e.g., which workflow or document type), I can help with more specific guidance.

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