How To Fix MDM_CLF_LEAN301 - Accessing control of lean classification failed (class type &1).

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 301

• Message text: Accessing control of lean classification failed (class type &1).

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDM_CLF_LEAN301 - Accessing control of lean classification failed (class type &1). ?

  The SAP error message "MDM_CLF_LEAN301 Accessing control of lean classification failed (class type &1)" typically occurs in the context of SAP Master Data Management (MDM) or when dealing with classification in SAP systems. This error indicates that there is an issue with accessing the control data for a specific class type in the lean classification system.
  Causes:
  
  Missing Class Type Configuration: The specified class type (&1) may not be properly configured in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the class type or the related data.
  Data Inconsistencies: There may be inconsistencies or corruption in the classification data or the underlying database.
  System Configuration Issues: There could be issues with the system configuration that prevent proper access to the classification data.
  Transport Issues: If the class type was recently transported from another system, there may have been issues during the transport process.
  
  Solutions:
  
  
  Check Class Type Configuration:
  
  Verify that the class type specified in the error message is correctly configured in the system. You can do this by navigating to the classification settings in the SAP system.
  Ensure that all necessary attributes and settings for the class type are defined.
  
  
  
  Review Authorizations:
  
  Check the user’s authorizations to ensure they have the necessary permissions to access the class type and related data.
  You may need to consult with your SAP security team to adjust the user roles if necessary.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the classification data to identify and resolve any inconsistencies.
  Use transaction codes like CL02 (Change Class) or CL03 (Display Class) to check the class type and its attributes.
  
  
  
  System Configuration Review:
  
  Review the system configuration related to classification and ensure that all settings are correctly defined.
  Check for any recent changes in the system that might have affected the classification functionality.
  
  
  
  Transport Management:
  
  If the class type was recently transported, check the transport logs for any errors or warnings that might indicate issues during the transport process.
  If necessary, re-transport the class type or manually recreate it in the target system.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing classification data.
  SAP Documentation: Refer to the official SAP documentation for Master Data Management and classification for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.