How To Fix L3841 - HU & is hierarchical. HU can only be counted without difference

L3841 - Overview

• Message type: E = Error

• Message class: L3 -

• Message number: 841

• Message text: HU & is hierarchical. HU can only be counted without difference

What causes this issue?

In the warehouse, hierarchical handling units can only be inventoried
without a difference.

System Response

Therefore, you cannot enter a count that deviates from the book
inventory.

How to fix this error?

Enter the target stock amount and assign the HU for unpacking.
After unpacking, you can then execute the inventory.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Cancel the inventory document item using transaction LI16.
Perform a HU inventory for this handling unit.
Create a new WM inventory and inventory the handling unit without a
difference.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message L3841 - HU & is hierarchical. HU can only be counted without difference ?

  The SAP error message L3841 indicates that a Handling Unit (HU) is hierarchical and can only be counted without differences. This typically occurs in scenarios where you are trying to perform a counting operation on a Handling Unit that has a hierarchical structure, meaning it contains other HUs or items within it.
  
  Cause:
  
  Hierarchical Structure: The Handling Unit you are trying to count is part of a hierarchy. This means it contains other HUs or items, and the system does not allow for differences to be counted in such cases.
  Counting Process: The counting process in SAP is designed to ensure that the integrity of the hierarchical structure is maintained. When you attempt to count a hierarchical HU with differences, the system raises this error to prevent inconsistencies.
  
  
  Solution:
  
  Count Without Differences: To resolve this error, you need to perform the counting operation without differences. This means you should ensure that the count you are