How To Fix WGDS_ENH_EMPTIES006 - GTIN &1 is locked and must not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: WGDS_ENH_EMPTIES - Messages for empties enhancement

• Message number: 006

• Message text: GTIN &1 is locked and must not be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WGDS_ENH_EMPTIES006 - GTIN &1 is locked and must not be changed ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WGDS_ENH_EMPTIES006 GTIN &1 is locked and must not be changed
  
  Cause:
  This error occurs when you attempt to change or update a GTIN (Global Trade Item Number) that is currently locked in the system. The lock is typically set to prevent modifications to GTINs that are in use or have been finalized in certain business processes, such as packaging material management or logistics.
  In SAP Extended Warehouse Management (EWM) or SAP Logistics Execution (LE), GTINs are often linked to packaging specifications or handling units. Once a GTIN is locked, it means the system has flagged it as non-editable to maintain data integrity and consistency across processes.
  
  When does this happen?
  
  When trying to edit a GTIN that is assigned to a packaging material or handling unit and is locked.
  When the GTIN is part of a packaging specification that is currently active or in use.
  When the GTIN is locked due to business rules or custom enhancements that prevent changes after certain stages.
  
  
  Solution:
  
  
  Check Lock Status:
  
  Verify if the GTIN is locked in the system. This can be done by checking the packaging material or handling unit master data.
  Use transaction codes like /SCWM/PMAT (Packaging Material) or relevant master data transactions to check the GTIN status.
  
  
  
  Unlock the GTIN (if business process allows):
  
  If the GTIN needs to be changed and the lock is no longer valid, unlock it via the appropriate transaction or by removing the lock flag.
  This might require authorization or coordination with the master data management or packaging team.
  
  
  
  Review Business Process:
  
  Understand why the GTIN is locked. It might be locked due to ongoing processes like deliveries, warehouse tasks, or packaging specifications.
  Ensure that changing the GTIN will not disrupt ongoing processes.
  
  
  
  Consult Custom Enhancements:
  
  The message prefix WGDS_ENH suggests this might be related to a custom enhancement or user exit.
  Check if there is a custom logic that locks GTINs under certain conditions.
  Review the enhancement implementation and adjust if necessary.
  
  
  
  Alternative Approach:
  
  Instead of changing the locked GTIN, create a new GTIN if changes are required.
  Update the relevant packaging specifications or material master to use the new GTIN.
  
  
  
  
  Related Information:
  
  GTIN (Global Trade Item Number): A unique identifier for trade items, used globally to identify products and packaging.
  Packaging Material Master (/SCWM/PMAT): Contains data related to packaging materials including GTINs.
  Handling Units: Physical units used in logistics, often linked to GTINs.
  Locking Mechanism: Used to prevent inconsistent data changes during active processes.
  Custom Enhancements: The error message prefix indicates a custom enhancement, so check your system’s enhancement spots or user exits related to packaging or GTIN management.
  
  
  Summary:
  
  Cause: Attempt to change a locked GTIN.
  Solution: Verify lock status, unlock if allowed, or create a new GTIN. Review custom enhancements if applicable.
  Check: Packaging material master data, handling units, and business processes before making changes.
  
  
  If you need help with specific transaction codes or debugging the enhancement, please provide more details about your SAP module and scenario.