How To Fix CM_MDG_BS_CLF_GEN016 - Class not found. Check classes

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MDG_BS_CLF_GEN - Classification Message Class

• Message number: 016

• Message text: Class not found. Check classes

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_MDG_BS_CLF_GEN016 - Class not found. Check classes ?

  The SAP error message CM_MDG_BS_CLF_GEN016: Class not found. Check classes typically occurs in the context of SAP Master Data Governance (MDG) when the system is unable to find a specific class that is required for processing. This can happen due to various reasons, such as configuration issues, missing classes, or problems with the underlying data model.
  Causes:
  
  Missing Class: The class that the system is trying to access is not defined in the system.
  Incorrect Configuration: The configuration settings for the MDG process may not be set up correctly, leading to the system looking for a class that does not exist.
  Transport Issues: If the system has recently undergone a transport of changes, the class may not have been included or properly activated.
  Authorization Issues: The user may not have the necessary authorizations to access the class.
  System Upgrade: After an upgrade, certain classes may not be compatible or may have been removed.
  
  Solutions:
  
  
  Check Class Definitions: 
  
  Go to transaction SE80 (Object Navigator) or SE11 (Data Dictionary) and check if the class exists. If it does not, you may need to create it or restore it from a transport.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the MDG customizing (transaction SPRO) to ensure that all necessary classes are defined and correctly configured.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and activated in the target system.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the class. You can check this in transaction SU53 after the error occurs.
  
  
  
  System Logs:
  
  Review the system logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or the official SAP documentation for any known issues related to the specific version of MDG you are using.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error message or provide patches.
  Community Forums: Check SAP Community or other forums for similar issues faced by other users.
  Version Compatibility: Ensure that your SAP system is up to date and that all components are compatible with each other.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.