How To Fix LF228 - Handling unit &1 is a lower-level handling unit

SAP Error Message - Details

• Message type: E = Error

• Message class: LF - Mobile Computing in Warehouse Logistics

• Message number: 228

• Message text: Handling unit &1 is a lower-level handling unit

Self-Explanatory Message

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• What is the cause and solution for SAP error message LF228 - Handling unit &1 is a lower-level handling unit ?

  The SAP error message LF228, which states "Handling unit &1 is a lower-level handling unit," typically occurs in the context of handling units (HUs) in SAP's logistics and warehouse management modules. This error indicates that the handling unit you are trying to process is a lower-level handling unit, meaning it is part of a larger handling unit and cannot be processed independently.
  Cause:
  
  Hierarchy of Handling Units: In SAP, handling units can be structured in a hierarchy. A lower-level handling unit is one that is contained within a higher-level handling unit. For example, if you have a pallet (higher-level HU) that contains several boxes (lower-level HUs), trying to process one of the boxes directly will trigger this error.
  Incorrect Processing Attempt: The error may occur if you are trying to perform an operation (like goods movement, picking, or shipping) on a lower-level handling unit without first addressing the higher-level handling unit.
  
  Solution:
  
  Identify the Higher-Level Handling Unit: You need to find out which higher-level handling unit contains the lower-level handling unit you are trying to process. You can do this by using transaction codes like HU02 (Display Handling Unit) to view the hierarchy.
  Process the Higher-Level Handling Unit: Once you have identified the higher-level handling unit, perform the required operation on that unit instead of the lower-level one.
  Unpack or Deconstruct: If necessary, you can unpack the lower-level handling unit from the higher-level handling unit if your business process allows for it. This can be done using the appropriate transaction codes or functions in SAP.
  Check Configuration: Ensure that your handling unit management configuration is set up correctly, and that you are following the correct procedures for handling units in your logistics processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HU02 (Display Handling Unit), HU03 (Change Handling Unit), and LT03 (Transfer Order Confirmation) for managing handling units.
  Documentation: Refer to SAP Help documentation for detailed information on handling unit management and the specific processes related to your version of SAP.
  User Training: Ensure that users involved in logistics and warehouse management are trained on handling unit processes to minimize errors related to handling unit hierarchies.
  
  By following these steps, you should be able to resolve the LF228 error and effectively manage handling units in your SAP system.