How To Fix WN220 - No hierarchy material exists for level &2 in material group &1

WN220 - Overview

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 220

• Message text: No hierarchy material exists for level &2 in material group &1

What causes this issue?

The system cannot determine any hierarchy value-only materials for the
material group for the hierarchy level specified.

How to fix this error?

Maintain a hierarchy value-only material in the material group for the
corresponding hierarchy level and activate the hierarchy level.

Error message extract from SAP system. Copyright SAP SE.

WN220 - Details

• The SAP error message WN220 "No hierarchy material exists for level &2 in material group &1" typically occurs in the context of material management, particularly when dealing with material hierarchies in SAP. This error indicates that the system is unable to find a material hierarchy for the specified level and material group.
  
  Cause:
  
  Missing Hierarchy Definition: The most common cause of this error is that the material hierarchy for the specified material group has not been defined or is incomplete.
  Incorrect Material Group: The material group specified in the error message may not have any associated hierarchy defined in the system.
  Level Mismatch: The level specified in the error message may not correspond to any defined levels in the hierarchy for the given material group.
  Data Inconsistency: There may be inconsistencies or missing data in the material master records or hierarchy settings.
  
  
  Solution:
  
  
  Check Material Hierarchy Configuration:
  
  Go to the transaction code OMH1 (or the relevant transaction for