How To Fix OM461 - ML type & is allocated to valuation area &. Delete assignment first

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 461

• Message text: ML type & is allocated to valuation area &. Delete assignment first

What causes this issue?

You wish to delete material ledger type &V2&. However, the system has
determined that this material ledger type is allocated to valuation
area &V1&.

System Response

Material ledger type &V2& is not deleted.

How to fix this error?

Cancel the allocation of material ledger type &V2& to valuation area
&V1&. You can then delete material ledger type &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM461 - ML type & is allocated to valuation area &. Delete assignment first ?

  The SAP error message OM461 typically occurs in the context of Material Management (MM) when there is an issue with the assignment of a material type to a valuation area. This error indicates that a specific material type is currently assigned to a valuation area, and before you can delete or change this assignment, you need to remove the existing allocation.
  Cause:
  The error message OM461 is triggered when:
  
  You attempt to delete or change the assignment of a material type to a valuation area that is currently in use.
  There are existing materials or stock that are linked to the material type and valuation area combination.
  The system enforces data integrity, preventing changes that could lead to inconsistencies in material management.
  
  Solution:
  To resolve the OM461 error, follow these steps:
  
  
  Identify the Material Type and Valuation Area:
  
  Determine which material type and valuation area are causing the issue. This information is usually provided in the error message.
  
  
  
  Check Existing Assignments:
  
  Use transaction code OMW1 to check the current assignments of material types to valuation areas. Look for the specific material type and valuation area mentioned in the error.
  
  
  
  Remove or Change Assignments:
  
  If you need to delete the assignment, ensure that there are no materials currently using that material type in the specified valuation area. You can check this using transaction codes like MM03 (Display Material) to see if any materials are assigned to that type.
  If there are materials assigned, you may need to change their material type or valuation area before you can delete the assignment.
  
  
  
  Delete the Assignment:
  
  Once you have ensured that there are no materials linked to the material type and valuation area, you can proceed to delete the assignment in transaction OMW1.
  
  
  
  Recheck the Configuration:
  
  After making the necessary changes, recheck the configuration to ensure that the material type is no longer assigned to the valuation area.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OMW1: Configuration for Material Types and Valuation Areas.
  MM03: Display Material to check existing materials.
  MM02: Change Material if you need to modify material details.
  
  
  
  Documentation:
  
  Refer to SAP Help documentation for detailed information on material types, valuation areas, and their configurations.
  
  
  
  Consulting with SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any specific patches or updates related to this error.
  
  
  
  By following these steps, you should be able to resolve the OM461 error and successfully manage your material type and valuation area assignments in SAP.