How To Fix MDG_CLF_LEAN019 - Invalid class type &1 in valuation of material &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 019

• Message text: Invalid class type &1 in valuation of material &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_CLF_LEAN019 - Invalid class type &1 in valuation of material &2 ?

  The SAP error message MDG_CLF_LEAN019 indicates that there is an issue with the classification of a material in the Material Master Data Governance (MDG) system. Specifically, the error states that there is an "Invalid class type" for a given material. This typically occurs when the system is unable to find or validate the class type associated with the material being processed.
  Cause:
  
  Invalid Class Type: The class type specified for the material does not exist or is not correctly defined in the system.
  Missing Configuration: The class type may not be configured properly in the classification system.
  Data Inconsistency: There may be inconsistencies in the data related to the material or its classification.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the class type.
  
  Solution:
  
  
  Check Class Type Configuration:
  
  Go to transaction CL02 (Change Class) and verify that the class type exists and is correctly configured.
  Ensure that the class type is active and has the necessary characteristics defined.
  
  
  
  Validate Material Data:
  
  Use transaction MM03 (Display Material) to check the material's classification data.
  Ensure that the material is assigned to the correct class type and that the class type is valid.
  
  
  
  Review Customizing Settings:
  
  Check the customizing settings for classification in transaction SPRO. Navigate to:
  
  Logistics - General > Material Master > Basic Settings > Define Class Types.
  
  
  Ensure that the class type is defined and linked to the appropriate material types.
  
  
  
  Check for Data Inconsistencies:
  
  Run consistency checks to identify any data inconsistencies in the material master or classification data.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access and modify the class type and material data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific error message for any additional troubleshooting steps or known issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL02: Change Class
  MM03: Display Material
  SPRO: Customizing Implementation Guide
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  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 issue related to the MDG_CLF_LEAN019 error message.