How To Fix /SCWM/UI128 - Lower-level assignment to TU &1/&2 cannot be deleted (&3 &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI -

• Message number: 128

• Message text: Lower-level assignment to TU &1/&2 cannot be deleted (&3 &4)

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/UI128 - Lower-level assignment to TU &1/&2 cannot be deleted (&3 &4) ?

  The SAP error message /SCWM/UI128 Lower-level assignment to TU &1/&2 cannot be deleted (&3 &4) typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to delete a lower-level assignment to a Transportation Unit (TU) that is not allowed due to certain constraints or conditions.
  
  Cause:
  
  Active Processes: The Transportation Unit (TU) may be involved in an active process, such as a delivery or a transfer order, which prevents its deletion.
  Dependencies: There may be dependencies or relationships with other objects (like handling units or stock) that are preventing the deletion.
  Status of TU: The status of the TU might not allow for deletion. For example, if the TU is already confirmed or has been processed in some way, it cannot be deleted.
  System Configuration: There may be specific configurations or settings in the system that restrict the deletion of lower-level assignments.
  
  
  Solution:
  
  Check Active Processes: Verify if the TU is