How To Fix MR040 - No material group hierarchy structure exists for material group &

SAP Error Message - Details

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 040

• Message text: No material group hierarchy structure exists for material group &

What causes this issue?

No material group hierarchy data could be determined for the material
group entered. This indicates that the classification data has been
lost for the material group hierarchy.

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?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MR040 - No material group hierarchy structure exists for material group & ?

  The SAP error message MR040 "No material group hierarchy structure exists for material group &" typically occurs when the system is unable to find a defined hierarchy for the specified material group in the Material Management (MM) module. This can happen for various reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  Missing Hierarchy Definition: The material group specified does not have an associated hierarchy defined in the system.
  Incorrect Material Group: The material group code used in the transaction may be incorrect or misspelled.
  Configuration Issues: The configuration settings for material groups and their hierarchies may not be properly set up in the system.
  Authorization Issues: The user may not have the necessary authorizations to view or access the material group hierarchy.
  
  Solutions:
  
  
  Check Material Group Definition:
  
  Go to the transaction code OMD1 (or SPRO -> Materials Management -> Material Master -> Material Group -> Define Material Group Hierarchies) to check if the hierarchy for the specified material group exists.
  If it does not exist, you may need to create it.
  
  
  
  Verify Material Group:
  
  Ensure that the material group code you are using is correct. You can check this in the material master data using transaction code MM03.
  
  
  
  Create or Update Hierarchy:
  
  If the hierarchy does not exist, you can create a new hierarchy for the material group. This involves defining the structure and assigning the relevant material groups to it.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the material group hierarchy. This can be checked with your SAP security team.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to material group hierarchies for additional guidance on setup and configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OMD1: Define Material Group Hierarchies
  MM03: Display Material Master
  SPRO: Access the SAP Reference IMG for configuration settings.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  By following these steps, you should be able to identify the cause of the MR040 error and implement a solution to resolve it.