How To Fix /SCWM/DELIVERY252 - HU &1 is not a top HU; action is only possible for top HUs

/SCWM/DELIVERY252 - Overview

• Message type: E = Error

• Message class: /SCWM/DELIVERY -

• Message number: 252

• Message text: HU &1 is not a top HU; action is only possible for top HUs

Self-Explanatory Message

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/SCWM/DELIVERY252 - Details

• The SAP error message /SCWM/DELIVERY252 indicates that the handling unit (HU) you are trying to process is not a top-level handling unit. In SAP Extended Warehouse Management (EWM), handling units can be nested, meaning that a handling unit can contain other handling units. However, certain actions can only be performed on top-level handling units.
  
  Cause:
  
  Nested Handling Units: The handling unit you are trying to work with is a child handling unit (not a top-level HU). This means it is contained within another handling unit.
  Incorrect Action: The action you are attempting to perform (e.g., picking, shipping, etc.) is restricted to top-level handling units only.
  
  
  Solution:
  
  Identify the Top-Level HU: You need to find the top-level handling unit that contains the HU you are trying to process. You can do this by checking the hierarchy of handling units in the system.
  Perform Action on Top-Level HU: Once you have identified the top-level HU, perform the desired