How To Fix /SCWM/WAVE127 - There are open WTs; you cannot delete the wave item

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WAVE -

• Message number: 127

• Message text: There are open WTs; you cannot delete the wave item

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/WAVE127 - There are open WTs; you cannot delete the wave item ?

  The SAP error message /SCWM/WAVE127 indicates that there are open Warehouse Tasks (WTs) associated with a wave item, preventing you from deleting that item. This is a common issue in SAP Extended Warehouse Management (EWM) when trying to manage wave processing.
  Cause:
  The primary cause of this error is that there are active or open Warehouse Tasks linked to the wave item you are trying to delete. In SAP EWM, a wave is a grouping of warehouse tasks that are processed together, and if any of those tasks are still open (i.e., not completed or canceled), the system will not allow you to delete the wave item.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Open Warehouse Tasks:
  
  Navigate to the Warehouse Management Monitor or use transaction codes like /SCWM/WT to view the open Warehouse Tasks.
  Identify the tasks that are linked to the wave item you are trying to delete.
  
  
  
  Complete or Cancel Open Warehouse Tasks:
  
  If the open tasks are no longer needed, you can cancel them. This can typically be done through the Warehouse Management Monitor or by using the appropriate transaction code.
  If the tasks are still relevant, ensure they are completed. Once all tasks associated with the wave item are completed or canceled, you should be able to delete the wave item.
  
  
  
  Recheck the Wave Item:
  
  After addressing the open tasks, attempt to delete the wave item again. The error should no longer appear if all associated tasks have been resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /SCWM/WT - To view and manage Warehouse Tasks.
  /SCWM/WAVE - To manage waves and wave items.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for Extended Warehouse Management for detailed information on wave management and warehouse tasks.
  
  
  
  Best Practices:
  
  Regularly monitor and manage Warehouse Tasks to avoid accumulation of open tasks that can lead to such errors.
  Implement proper workflows for wave processing to ensure tasks are completed in a timely manner.
  
  
  
  By following these steps, you should be able to resolve the error and manage your wave items effectively in SAP EWM.