How To Fix MDM_CLF_LEAN256 - Class &1 not allowed for object &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 256

• Message text: Class &1 not allowed for object &2

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDM_CLF_LEAN256 - Class &1 not allowed for object &2 ?

  The SAP error message "MDM_CLF_LEAN256 Class &1 not allowed for object &2" typically occurs in the context of Master Data Management (MDM) or when dealing with classification in SAP systems. This error indicates that a specific class (denoted by &1) is not permitted for the object type (denoted by &2) you are trying to work with.
  Cause:
  
  Incorrect Class Assignment: The class you are trying to assign to the object is not valid for that object type. This can happen if the class is not defined for the specific object type in the classification system.
  Configuration Issues: There may be configuration settings in the classification system that restrict the use of certain classes for specific object types.
  Authorization Issues: The user may not have the necessary authorizations to assign the class to the object.
  
  Solution:
  
  Check Class Definition: Verify that the class you are trying to use is indeed defined for the object type you are working with. You can do this by checking the classification settings in the SAP system.
  Review Configuration: If you have access, review the configuration settings in the classification system to ensure that the class is allowed for the object type. This may involve checking the class hierarchy and the object type settings.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action. This may involve checking user roles and permissions related to classification and master data management.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on classification and object types to ensure compliance with system requirements.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CL02 (Change Class), CL03 (Display Class), or CL01 (Create Class) to manage classes in the SAP system.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.