How To Fix VHUMI151 - HU &1 is not the highest hierarchy level, &2 is

VHUMI151 - Overview

• Message type: E = Error

• Message class: VHUMI - Messages for material identification

• Message number: 151

• Message text: HU &1 is not the highest hierarchy level, &2 is

Self-Explanatory Message

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VHUMI151 - Details

• The SAP error message VHUMI151 indicates that the Handling Unit (HU) you are trying to process is not at the highest hierarchy level in the handling unit structure. This typically occurs when you are attempting to perform an operation (like packing, unpacking, or posting goods movements) on a handling unit that is not the top-level HU in its hierarchy.
  
  Cause:
  
  Hierarchy Structure: In SAP, handling units can be nested. For example, a handling unit can contain other handling units. The error message VHUMI151 suggests that the HU you are working with is a sub-HU and not the top-level HU.
  Incorrect Selection: You may have selected a lower-level HU instead of the highest-level HU for the operation you are trying to perform.
  
  
  Solution:
  
  
  Identify the Highest Level HU: You need to identify the highest-level handling unit in the hierarchy. You can do this by checking the handling unit structure in the SAP system.
  
  Use transaction code HU02