How To Fix MDG_CLF_LEAN012 - Missing class type in class assignment of material &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 012

• Message text: Missing class type in class assignment 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_CLF_LEAN012 - Missing class type in class assignment of material &1 ?

  The SAP error message MDG_CLF_LEAN012 indicates that there is a missing class type in the class assignment of a material. This error typically occurs in the context of Material Master data management within SAP Master Data Governance (MDG).
  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 classification system may not be set up correctly, leading to the inability to assign a class type to the material.
  Data Inconsistency: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the classification tables.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Class Type Configuration:
  
  Go to the transaction code CL02 (Change Class) or CL01 (Create Class) in SAP.
  Verify that the class type you are trying to assign to the material exists and is correctly configured.
  
  
  
  Create or Modify Class Type:
  
  If the class type does not exist, you may need to create it using CL01.
  Ensure that the class type is assigned to the appropriate class and that it has the necessary characteristics defined.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the material in question using transaction code MM03 (Display Material).
  Ensure that the classification data is correctly maintained and that the class type is specified.
  
  
  
  Check Classification Settings:
  
  Ensure that the classification settings in the system are correctly configured. This can be done in the SPRO (SAP Project Reference Object) under the relevant configuration for Material Management and Classification.
  
  
  
  Data Consistency Check:
  
  Run consistency checks to ensure that there are no other underlying issues with the material data that could be causing this error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on classification and class types.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify and resolve the cause of the MDG_CLF_LEAN012 error in your SAP system.