How To Fix OM462 - Allocation 'valuation area &1 <-> ML type &2' cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 462

• Message text: Allocation 'valuation area &1 <-> ML type &2' cannot be deleted

What causes this issue?

You attempted to delete the allocation of valuation area &V1& to
material ledger type &V2& although the valuation area was activated for
the material ledger.

System Response

The allocation is not deleted.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM462 - Allocation 'valuation area &1 <-> ML type &2' cannot be deleted ?

  The SAP error message OM462 indicates that there is an issue with the allocation between a valuation area and a material ledger (ML) type that cannot be deleted. This typically occurs in the context of Material Management (MM) and is related to the configuration of the Material Ledger.
  Cause:
  
  
  Existing Transactions: The most common cause of this error is that there are existing transactions or postings that reference the allocation between the specified valuation area and material ledger type. If there are any stock postings, goods movements, or accounting documents that have been created, the system will prevent deletion to maintain data integrity.
  
  
  Configuration Issues: There may be configuration settings in the Material Ledger or valuation area that are preventing the deletion. This could include settings that enforce certain relationships or dependencies.
  
  
  Data Consistency: The system may have detected inconsistencies in the data that prevent the deletion of the allocation.
  
  
  Solution:
  
  
  Check for Existing Transactions: Before attempting to delete the allocation, check if there are any existing transactions that reference the valuation area and ML type. You can do this by reviewing stock movements, accounting documents, or any other related transactions.
  
  
  Use Transaction Codes: Use transaction codes like MB51 (Material Document List) or MB5B (Stock on Posting Date) to identify any postings related to the valuation area and ML type.
  
  
  Delete Related Transactions: If you find any transactions that are preventing the deletion, you may need to reverse or delete those transactions first. Ensure that you have the necessary authorizations and that you follow your organization's procedures for reversing transactions.
  
  
  Check Configuration: Review the configuration settings for the Material Ledger and valuation area. Ensure that there are no settings that would prevent the deletion of the allocation. You can check this in the configuration menu under:
  
  SPRO ? Logistics ? Materials Management ? Valuation and Account Assignment ? Material Ledger ? Define Valuation Areas.
  
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance. They may have additional insights or tools to help resolve the issue.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMK1 (Create Allocation), OMK2 (Change Allocation), and OMK3 (Display Allocation) for managing allocations.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorizations: Ensure that you have the necessary authorizations to perform deletions and modifications in the system.
  
  By following these steps, you should be able to identify the cause of the OM462 error and take appropriate action to resolve it.