How To Fix OBW207 - Duplicate valuation class not allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: OBW - Messages for MM Customizing Wizards

• Message number: 207

• Message text: Duplicate valuation class not allowed.

What causes this issue?

A valuation class cann only appear for one material type.

System Response

You cannot continue until you have changed the valuation class.

How to fix this error?

Change the valuation class name to a unique name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OBW207 - Duplicate valuation class not allowed. ?

  The SAP error message OBW207 "Duplicate valuation class not allowed" typically occurs when there is an attempt to create or modify a valuation class in a way that conflicts with existing entries in the system. This error is often encountered in the context of configuring materials and their valuation in the SAP system, particularly in the Materials Management (MM) module.
  Cause:
  
  Duplicate Valuation Class: The primary cause of this error is that the valuation class you are trying to create or assign already exists in the system. Each valuation class must be unique within the system to avoid confusion in financial reporting and inventory management.
  Configuration Issues: There may be issues in the configuration settings where the same valuation class is being assigned to multiple material types or categories.
  Data Entry Errors: Sometimes, this error can arise from simple data entry mistakes, such as typos or incorrect selections in the configuration screens.
  
  Solution:
  
  
  Check Existing Valuation Classes: 
  
  Go to the transaction code OBYC (Automatic Account Determination) and check the existing valuation classes. Ensure that the valuation class you are trying to create or modify does not already exist.
  You can also check the valuation classes assigned to materials using transaction code MM03 (Display Material) to see if the class is already in use.
  
  
  
  Modify or Delete Duplicate Entries: 
  
  If you find that the valuation class already exists and is not needed, you may consider deleting or modifying the existing entry to resolve the conflict.
  If the valuation class is in use, you may need to choose a different, unique valuation class for your new material or configuration.
  
  
  
  Review Configuration Settings: 
  
  Ensure that your configuration settings in the SAP system are correctly set up to avoid conflicts. This includes checking the settings in the SPRO (SAP Project Reference Object) transaction under the Materials Management section.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help files related to valuation classes and account determination to ensure you are following the correct procedures.
  
  
  
  Seek Help from SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Valuation Class: A valuation class is a key component in SAP that determines how materials are valued and how they are linked to the general ledger accounts.
  Account Determination: This process is crucial in SAP for ensuring that financial transactions related to materials are correctly recorded in the financial accounting module.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYC, MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing materials and their valuation classes.
  
  By following these steps, you should be able to identify the cause of the OBW207 error and implement a solution to resolve it.