How To Fix /SCWM/MFG_UI031 - Cannot create warehouse task; release the reference document first

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFG_UI -

• Message number: 031

• Message text: Cannot create warehouse task; release the reference document first

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFG_UI031 - Cannot create warehouse task; release the reference document first ?

  The SAP error message /SCWM/MFG_UI031 Cannot create warehouse task; release the reference document first typically occurs in the context of warehouse management processes, particularly when dealing with warehouse tasks and reference documents in the SAP Extended Warehouse Management (EWM) module.
  Cause:
  This error message indicates that there is a reference document (such as a production order, delivery, or transfer order) that is currently locked or not released, preventing the system from creating a warehouse task. The reference document must be in a state that allows for the creation of tasks associated with it.
  Common Causes Include:
  
  Locked Reference Document: The reference document is currently being processed or is locked by another transaction.
  Incomplete Document Status: The reference document may not be in a status that allows for task creation (e.g., it might be in a "planned" state rather than "released").
  Missing Authorizations: The user may not have the necessary authorizations to release the reference document.
  Configuration Issues: There may be configuration settings in the EWM that prevent the creation of tasks under certain conditions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Document Status:
  
  Verify the status of the reference document in the relevant transaction (e.g., production order, delivery).
  Ensure that the document is released and not in a locked state.
  
  
  
  Release the Document:
  
  If the document is not released, you may need to release it manually. This can typically be done in the transaction associated with the document type (e.g., CO02 for production orders).
  
  
  
  Check for Locks:
  
  Use transaction SM12 to check for any locks on the reference document. If you find locks that are no longer needed, you can delete them (ensure you have the necessary authorizations to do this).
  
  
  
  Review Authorizations:
  
  Ensure that the user attempting to create the warehouse task has the necessary authorizations to release the reference document.
  
  
  
  Consult Configuration:
  
  If the issue persists, consult with your SAP EWM configuration team to review the settings related to warehouse task creation and reference document handling.
  
  
  
  Check for System Notes:
  
  Look for any SAP Notes or updates that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order), VL02N (Change Outbound Delivery), and LT03 (Create Transfer Order).
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on EWM processes and error handling.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.