How To Fix MDG_CLF_LEAN014 - Unknown class &1 (class type &2) in class assignment of material &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 014

• Message text: Unknown class &1 (class type &2) in class assignment of material &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_CLF_LEAN014 - Unknown class &1 (class type &2) in class assignment of material &3 ?

  The SAP error message MDG_CLF_LEAN014 indicates that there is an issue with the class assignment of a material in the Master Data Governance (MDG) system. Specifically, the error states that an unknown class (class type) is being referenced for the material in question.
  Cause:
  
  Class Not Defined: The class type specified in the error message does not exist in the system. This could happen if the class was deleted or not created properly.
  Incorrect Class Type: The class type being referenced may not be valid for the material type being used.
  Authorization Issues: There may be authorization issues preventing the system from accessing the class definition.
  Data Inconsistency: There could be inconsistencies in the data, such as missing or incorrect entries in the classification data.
  
  Solution:
  
  
  Check Class Definition:
  
  Go to transaction CL02 (Change Class) or CL03 (Display Class) and verify if the class type mentioned in the error message exists.
  If it does not exist, you may need to create it using transaction CL01 (Create Class).
  
  
  
  Verify Class Assignment:
  
  Check the material master data using transaction MM03 (Display Material) to see if the class assignment is correct.
  Ensure that the class type assigned to the material is appropriate for the material type.
  
  
  
  Review Configuration:
  
  Ensure that the classification system is properly configured in the IMG (Implementation Guide). Check the settings under Logistics - General > Material Master > Settings for Key Fields > Define Classes.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the class definitions and perform classification tasks.
  
  
  
  Data Consistency Check:
  
  Run consistency checks for the material master data to identify any inconsistencies that may be causing the issue.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the error message for any specific guidance or patches that may address the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  MM03: Display Material
  
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message.
  MDG Configuration: Review the configuration settings for Master Data Governance to ensure that all necessary components are correctly set up.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.