How To Fix OM066 - First valuation type

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 066

• Message text: First valuation type

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OM066 - First valuation type ?

  The SAP error message OM066, which states "First valuation type," typically occurs in the context of inventory management or material valuation in SAP. This error is related to the configuration of valuation types in the system, particularly when dealing with materials that have multiple valuation types.
  Cause:
  The error OM066 usually arises due to one of the following reasons:
  
  Missing Valuation Type: The system expects a valuation type to be specified for a material, but it is not found in the configuration.
  Incorrect Configuration: The valuation types may not be properly configured in the system, or the material master data may not be set up correctly.
  Material Master Data Issues: The material master record may not have the necessary valuation type assigned, or it may be incomplete.
  
  Solution:
  To resolve the OM066 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify that the valuation type is correctly assigned under the accounting view.
  Ensure that the material is set up with the appropriate valuation class.
  
  
  
  Review Valuation Type Configuration:
  
  Use transaction code OMW1 to check the configuration of valuation types.
  Ensure that the valuation types are defined and linked to the correct valuation classes.
  
  
  
  Assign Valuation Type:
  
  If the valuation type is missing, you may need to assign it to the material master.
  You can do this by using transaction code MM02 to change the material master and add the necessary valuation type.
  
  
  
  Check for Consistency:
  
  Ensure that the valuation type is consistent across all relevant documents and transactions.
  If there are inconsistencies, you may need to correct them in the respective documents.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on valuation types and their configuration.
  
  
  
  Related Information:
  
  Valuation Types: Valuation types are used in SAP to differentiate between different stock types of the same material (e.g., different quality levels, different suppliers).
  Valuation Classes: Valuation classes are used to group materials for accounting purposes and determine how they are posted in financial accounting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and OMW1 (Valuation Type Configuration).
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management and valuation.