How To Fix MDG_CLF_LEAN018 - Missing class type in valuation of material &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_CLF_LEAN - Lean Classification - Central Governance parts

• Message number: 018

• Message text: Missing class type in valuation of material &1

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_CLF_LEAN018 - Missing class type in valuation of material &1 ?

  The SAP error message MDG_CLF_LEAN018 indicates that there is a missing class type in the valuation of a material. This error typically occurs in the context of Material Master data management, particularly when using SAP Master Data Governance (MDG) for materials.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Class Type: The class type that is supposed to be assigned to the material is not defined in the system.
  Incorrect Configuration: The configuration for the material valuation class or the class type may not be set up correctly.
  Data Inconsistency: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the classification data.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Class Type Configuration:
  
  Go to the transaction code CL02 (Change Class) or CL01 (Create Class) in SAP.
  Verify that the class type required for the material valuation is defined and active.
  If it is missing, create the class type and ensure it is properly configured.
  
  
  
  Assign Class Type to Material:
  
  Ensure that the material in question has the correct class type assigned to it.
  You can check this in the Material Master data using transaction code MM02 (Change Material) and navigating to the Classification view.
  
  
  
  Review Valuation Class:
  
  Check the valuation class assigned to the material. Ensure that it is correctly linked to the class type.
  You can find this in the Accounting view of the Material Master.
  
  
  
  Data Consistency Check:
  
  Run a consistency check for the material data to identify any other potential issues.
  Use transaction code MM03 (Display Material) to review the material data and ensure all required fields are filled correctly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to Material Master and classification to ensure that all necessary steps have been followed.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Refer to the SAP Help Portal for detailed information on Material Master data management and classification.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the MDG_CLF_LEAN018 error message.