How To Fix /SCWM/WAVE165 - Delivery item(s) already assigned to a wave

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WAVE -

• Message number: 165

• Message text: Delivery item(s) already assigned to a wave

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/WAVE165 - Delivery item(s) already assigned to a wave ?

  The SAP error message /SCWM/WAVE165 indicates that the delivery item(s) you are trying to assign to a wave in the SAP Extended Warehouse Management (EWM) system are already assigned to another wave. This situation can occur when there are multiple attempts to assign the same delivery item to different waves, which is not allowed in the system.
  Cause:
  
  Duplicate Assignment: The delivery item has already been assigned to a wave, and you are attempting to assign it again.
  Wave Processing: The wave processing logic in EWM does not allow for the same delivery item to be included in multiple waves simultaneously.
  Timing Issues: If there are concurrent processes or transactions happening, it may lead to confusion regarding the assignment status of the delivery items.
  
  Solution:
  
  
  Check Current Wave Assignment: 
  
  Use transaction codes like /SCWM/WAVE to check the current wave assignments for the delivery items in question. Identify which wave the items are currently assigned to.
  
  
  
  Reassign or Release:
  
  If you need to change the assignment, you may need to release the delivery item from the current wave before assigning it to a new one. This can typically be done through the wave management functions in EWM.
  
  
  
  Review Wave Configuration:
  
  Ensure that your wave configuration and rules are set up correctly to avoid conflicts in assignments. This includes checking wave templates and assignment criteria.
  
  
  
  Consult Logs:
  
  Check the application logs for any additional information or errors that may provide context on why the assignment is failing.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to perform wave assignments and modifications.
  
  
  
  System Updates:
  
  If the issue persists, consider checking for any system updates or patches that may address bugs related to wave processing.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on wave management in EWM.
  SAP Notes: Search for relevant SAP Notes that may address specific issues or provide fixes related to wave assignment errors.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to resolve the error and successfully manage your wave assignments in SAP EWM.