How To Fix /SCWM/TW_UI101 - Cannot reverse loading of HU &1; no handling units reversed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/TW_UI -

• Message number: 101

• Message text: Cannot reverse loading of HU &1; no handling units reversed

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/TW_UI101 - Cannot reverse loading of HU &1; no handling units reversed ?

  The SAP error message /SCWM/TW_UI101 Cannot reverse loading of HU &1; no handling units reversed typically occurs in the SAP Extended Warehouse Management (EWM) module when there is an attempt to reverse the loading of a Handling Unit (HU) that cannot be processed due to certain conditions. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  No Handling Units Available: The specified Handling Unit (HU) does not exist or is not available for reversal.
  Status of the Handling Unit: The HU may be in a status that does not allow for reversal (e.g., it has already been processed or is locked).
  Incorrect HU Number: The HU number provided in the error message may be incorrect or mistyped.
  System Configuration: There may be configuration settings in the EWM system that prevent the reversal of the loading process.
  Dependencies on Other Processes: The HU may be linked to other processes (like deliveries or shipments) that need to be completed or reversed first.
  
  Solutions:
  
  Verify HU Existence: Check if the Handling Unit (HU) with the specified number exists in the system. You can do this by using transaction codes like /SCWM/HU to display the HU details.
  Check HU Status: Review the status of the HU to ensure it is eligible for reversal. If it is in a locked or completed state, you may need to unlock or complete the related processes first.
  Correct HU Number: Ensure that the HU number you are trying to reverse is correct. Double-check for any typographical errors.
  Review Configuration: Consult with your SAP EWM configuration team to ensure that the system settings allow for the reversal of loading processes.
  Check Related Processes: Investigate if there are any dependent processes (like deliveries or shipments) that need to be addressed before the HU can be reversed.
  Consult Documentation: Refer to SAP documentation or notes related to handling units and loading processes for any specific guidelines or known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM, such as /SCWM/HU for handling units and /SCWM/PR for processing requests.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that the user attempting the reversal has the necessary authorizations to perform this action in the system.
  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 diagnose and resolve the error message /SCWM/TW_UI101 Cannot reverse loading of HU &1; no handling units reversed.