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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN220 - No hierarchy material exists for level &2 in material group &1 ?

  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 your version) to check the material hierarchy settings.
  Ensure that the hierarchy for the specified material group is defined correctly and that all necessary levels are included.
  
  
  
  Define Missing Hierarchy:
  
  If the hierarchy is missing, you will need to create it. Use the appropriate transaction to define the material hierarchy for the specified material group.
  Make sure to include all relevant levels and ensure that they are correctly linked to the material group.
  
  
  
  Verify Material Group:
  
  Check if the material group specified in the error message is correct. You can do this by navigating to the material master data and verifying the material group assigned to the materials in question.
  
  
  
  Check for Data Consistency:
  
  Review the material master records to ensure that there are no inconsistencies or missing data that could be causing the issue.
  You can use transaction codes like MM03 to display material master data and verify the settings.
  
  
  
  Consult Documentation:
  
  If you are unsure about the hierarchy setup, refer to SAP documentation or consult with your SAP functional team for guidance on how to properly configure material hierarchies.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OMH1: Maintain Material Hierarchy
  MM03: Display Material Master
  MM01: Create Material Master
  MM02: Change Material Master
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on material hierarchy configuration.
  
  
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and modify material hierarchy settings.
  
  
  By following these steps, you should be able to resolve the WN220 error and ensure that the material hierarchy is correctly set up in your SAP system.