How To Fix MDG_MAT_LOADER_MSG002 - Class &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MAT_LOADER_MSG - Message class for Loader

• Message number: 002

• Message text: Class &1 is not valid

Self-Explanatory Message

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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 MDG_MAT_LOADER_MSG002 - Class &1 is not valid ?

  The SAP error message MDG_MAT_LOADER_MSG002 with the description "Class &1 is not valid" typically occurs in the context of Master Data Governance (MDG) when dealing with material master data. This error indicates that the system is unable to recognize or validate the class specified in the material data being processed.
  Cause:
  
  Invalid Class: The class specified in the material data does not exist in the system or is not active.
  Incorrect Configuration: The class may not be properly configured in the system, or it may not be assigned to the relevant material type.
  Authorization Issues: The user may not have the necessary authorizations to access or validate the class.
  Data Entry Errors: There may be typographical errors in the class name or code being used.
  
  Solution:
  
  
  Check Class Existence:
  
  Go to transaction CL02 (Class Maintenance) and verify if the class specified in the error message exists.
  Ensure that the class is active and correctly configured.
  
  
  
  Verify Class Assignment:
  
  Ensure that the class is assigned to the relevant material type. This can be checked in the configuration settings for material types.
  
  
  
  Review Data Entry:
  
  Double-check the input data for any typographical errors in the class name or code.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the class. This can be checked with the security team or by reviewing the user roles.
  
  
  
  Consult Documentation:
  
  Review the relevant SAP documentation or help resources for any additional configuration or setup steps that may be required for the class.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the validation is failing. This may require assistance from a technical consultant.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  CL02: Class Maintenance
  MM01: Create Material
  MM02: Change Material
  MDG: Master Data Governance transactions
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.