How To Fix WZ309 - Work item & is not a dialog work item

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 309

• Message text: Work item & is not a dialog work item

Self-Explanatory Message

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• What is the cause and solution for SAP error message WZ309 - Work item & is not a dialog work item ?

  SAP Error Message:
  
  WZ309 Work item & is not a dialog work item
  
  Cause:
  This error occurs when a workflow tries to process or interact with a work item that is not a dialog work item. In SAP Workflow, work items can be of different types, such as dialog work items (which require user interaction) and background work items (which are processed automatically without user interaction).
  The message indicates that the system expected a dialog work item (which can be displayed and interacted with by a user), but the work item referenced is of a different type (e.g., background or container work item). This mismatch causes the error.
  Typical scenarios causing this error include:
  
  Attempting to display or process a work item using dialog-specific functions (e.g., SAP_WAPI_DISPLAY_WORKITEM) on a non-dialog work item.
  Incorrect handling or referencing of work items in custom workflow code or user exits.
  Workflow container or task configuration issues where the work item type is not as expected.
  
  
  Solution:
  
  
  Check the Work Item Type:
  
  Use transaction SWI1 (Work Item Selection) or SWI5 (Work Item Display) to find the work item and verify its type.
  Confirm whether the work item is dialog or background.
  
  
  
  Adjust the Workflow Logic:
  
  If your code or workflow step expects a dialog work item, ensure that the work item created is indeed dialog type.
  Modify the workflow step or task to create dialog work items if user interaction is required.
  If the work item is background type, avoid calling dialog-specific functions on it.
  
  
  
  Review Custom Code:
  
  Check any custom workflow methods, user exits, or BAdIs that handle work items.
  Ensure that the code checks the work item type before processing.
  Use function modules like SAP_WAPI_WORKITEM_GET_DETAIL to get work item details and verify the type.
  
  
  
  Correct Workflow Task Configuration:
  
  In the workflow builder (transaction SWDD), verify the task definition.
  Ensure the task is set up as a dialog task if user interaction is needed.
  
  
  
  Debugging:
  
  Debug the workflow runtime to see where the work item is being processed.
  Check the work item ID passed to the function/module causing the error.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWI1 - Work Item Selection
  SWI5 - Work Item Display
  SWDD - Workflow Builder
  SWIA - Work Item Administration
  
  
  
  Function Modules:
  
  SAP_WAPI_DISPLAY_WORKITEM - Displays a dialog work item.
  SAP_WAPI_WORKITEM_GET_DETAIL - Retrieves details about a work item.
  SAP_WAPI_IS_DIALOG_WORKITEM - Checks if a work item is dialog type.
  
  
  
  SAP Notes:
  
  Check for any SAP Notes related to workflow errors and work item types for your specific SAP version.
  
  
  
  
  Summary:
  The error WZ309 Work item & is not a dialog work item means that a non-dialog work item is being treated as a dialog work item. To fix it, verify the work item type, adjust workflow/task configuration, and ensure your code handles work items according to their type.
  If you provide the exact context or code snippet where this error occurs, I can help with more specific guidance.