How To Fix /SCWM/WM_SEL091 - Distribution equipment pos. &1 is not unique; pick-hu &2 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WM_SEL -

• Message number: 091

• Message text: Distribution equipment pos. &1 is not unique; pick-hu &2 is not valid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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/WM_SEL091 - Distribution equipment pos. &1 is not unique; pick-hu &2 is not valid ?

  The SAP error message /SCWM/WM_SEL091 indicates that there is an issue with the distribution equipment position not being unique, and the pick handling unit (HU) specified is not valid. This error typically occurs in the context of warehouse management processes, particularly when dealing with handling units and distribution equipment in SAP Extended Warehouse Management (EWM).
  
  Cause:
  
  
  Non-Unique Distribution Equipment Position: The error suggests that the system has found multiple entries for the distribution equipment position specified (e.g., a storage bin or location) that are not unique. This can happen if there are duplicate entries in the system for the same equipment position.
  
  
  Invalid Pick Handling Unit: The pick handling unit (HU) referenced in the error message may not exist in the system, or it may not be in a valid status for picking. This could be due to various reasons, such as the HU being already picked, not being available, or being in