How To Fix WW009 - Material group hierarchy level & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 009

• Message text: Material group hierarchy level & does not exist

What causes this issue?

The material group hierarchy level & does not exist.

System Response

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

How to fix this error?

Enter a new material group hierarchy level.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW009 - Material group hierarchy level & does not exist ?

  The SAP error message WW009, which states "Material group hierarchy level & does not exist," typically occurs when there is an attempt to access or reference a material group hierarchy level that has not been defined or does not exist in the system. This can happen in various scenarios, such as during material master creation, changes, or when running reports that involve material groups.
  Cause:
  
  Missing Hierarchy Level: The specified material group hierarchy level has not been created in the system.
  Incorrect Configuration: The configuration settings for material groups may not be set up correctly.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables.
  Authorization Issues: The user may not have the necessary authorizations to access the material group hierarchy.
  
  Solution:
  
  
  Check Material Group Hierarchy:
  
  Go to the transaction code OMW1 (or SPRO -> Logistics General -> Material Master -> Settings for Key Fields -> Define Material Groups) to verify if the material group hierarchy levels are defined correctly.
  Ensure that the hierarchy level you are trying to access is indeed created and active.
  
  
  
  Create Missing Hierarchy Levels:
  
  If the hierarchy level does not exist, you may need to create it. This can be done in the same configuration area mentioned above.
  
  
  
  Review Configuration Settings:
  
  Ensure that the configuration for material groups is set up correctly. Check if there are any missing settings that could lead to this error.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the material master data to identify any discrepancies. You can use transaction codes like MM02 to check and update material master records.
  
  
  
  User Authorizations:
  
  Verify that the user encountering the error has the necessary authorizations to access the material group hierarchy. This can be checked with the help of your SAP security team.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for more detailed information on material group hierarchies and their configuration.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  OMW1: Define Material Groups
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  Tables: 
  
  Check relevant tables such as T023 (Material Groups) and T023D (Material Group Descriptions) for entries related to material groups.
  
  
  SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to material group hierarchies.
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.