How To Fix /SCWM/UI_PACKING173 - It is not possible to unpack a top-HU

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI_PACKING -

• Message number: 173

• Message text: It is not possible to unpack a top-HU

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_PACKING173 - It is not possible to unpack a top-HU ?

  The SAP error message /SCWM/UI_PACKING173 indicates that the system is unable to unpack a top Handling Unit (HU). This error typically arises in the context of warehouse management and handling units in SAP Extended Warehouse Management (EWM). Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Top Handling Unit (HU) Status: The top HU may be in a status that does not allow unpacking. For example, it could be in a status like "In Transit" or "Completed."
  Hierarchy Issues: The HU you are trying to unpack may have child HUs that are still packed or not in a state that allows unpacking.
  System Configuration: There may be configuration settings in the system that restrict unpacking operations under certain conditions.
  User Authorizations: The user may not have the necessary authorizations to perform unpacking operations on the specified HU.
  
  Solutions:
  
  Check HU Status: Verify the status of the top HU. If it is not in a suitable status for unpacking, you may need to change its status or complete any pending processes.
  Unpack Child HUs First: If the top HU contains child HUs, ensure that all child HUs are unpacked or in a state that allows the top HU to be unpacked.
  Review Configuration: Check the configuration settings in the EWM system to ensure that there are no restrictions on unpacking top HUs.
  User Authorizations: Ensure that the user attempting to perform the unpacking has the necessary authorizations. You may need to consult with your SAP security team to verify this.
  Consult Documentation: Refer to SAP documentation or help resources for specific details related to handling units and unpacking processes in EWM.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM, such as /SCWM/PRDI for handling unit management.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.