How To Fix MDM_CLF_LEAN252 - Class &1 (class type &2) does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: MDM_CLF_LEAN - MDM Lean Classification - Reuse Parts

• Message number: 252

• Message text: Class &1 (class type &2) does not exist

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 MDM_CLF_LEAN252 - Class &1 (class type &2) does not exist ?

  The SAP error message "MDM_CLF_LEAN252 Class &1 (class type &2) does not exist" typically occurs in the context of Master Data Management (MDM) or when dealing with classification in SAP. This error indicates that the system is trying to access a class that has not been defined or does not exist in the system.
  Cause:
  
  Missing Class Definition: The specified class (indicated by &1) of a certain class type (indicated by &2) has not been created in the system.
  Incorrect Class Type: The class type being referenced may be incorrect or not properly configured.
  Authorization Issues: The user may not have the necessary authorizations to view or access the class.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or missing entries in the classification data.
  
  Solution:
  
  
  Check Class Definition:
  
  Go to the transaction code CL02 (Change Class) or CL01 (Create Class) in SAP.
  Verify if the class with the specified name and type exists. If it does not, you may need to create it.
  
  
  
  Verify Class Type:
  
  Ensure that the class type being referenced is correct. You can check the class types in the configuration settings of the classification system.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the class. You may need to consult with your SAP security team to verify and adjust authorizations if necessary.
  
  
  
  Data Consistency Check:
  
  If this error occurred after a data migration, check the migration logs for any errors or warnings related to class definitions. You may need to re-import or correct the data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to classification and MDM for any specific guidance or known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production issue.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CL01 - Create Class
  CL02 - Change Class
  CL03 - Display Class
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Help Portal for information on classification and MDM processes.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.