How To Fix /SCWM/UI_GR081 - External HU number can only be used if exactely one HU should be added

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI_GR -

• Message number: 081

• Message text: External HU number can only be used if exactely one HU should be added

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/UI_GR081 - External HU number can only be used if exactely one HU should be added ?

  The SAP error message /SCWM/UI_GR081 indicates that there is an issue with handling Handling Units (HUs) in the Extended Warehouse Management (EWM) module. Specifically, this error occurs when you attempt to add an external Handling Unit (HU) but the system finds that there is not exactly one HU that can be added. This can happen in various scenarios, such as during goods receipt, transfer, or other warehouse operations.
  
  Cause:
  
  Multiple HUs Found: The system may have found multiple HUs that match the external HU number you provided, which leads to ambiguity about which HU should be added.
  No Matching HUs: Conversely, if there are no HUs that match the external HU number, the system cannot proceed.
  Incorrect HU Status: The status of the HUs may not allow them to be added to the process you are trying to execute.
  Data Entry Error: There may be a typographical error in the external HU number you entered.
  
  
  Solution:
  
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