How To Fix CM_MDG_BS_CLF_GEN019 - Class type &1 excluded; class type already changed with change number

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MDG_BS_CLF_GEN - Classification Message Class

• Message number: 019

• Message text: Class type &1 excluded; class type already changed with change number

What causes this issue?

You entered no change number, but class assignment or valuation for this
class type has already been changed with a change number.

System Response

The class type is excluded from display and maintenance.

How to fix this error?

To display or maintain this class type leave the transaction and open
classification again, this time entering a valid change number.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_MDG_BS_CLF_GEN019 - Class type &1 excluded; class type already changed with change number ?

  The SAP error message CM_MDG_BS_CLF_GEN019 indicates that a class type is excluded because it has already been changed with a change number. This typically occurs in the context of Master Data Governance (MDG) when trying to make changes to a class type that has already been modified in a previous change request.
  Cause:
  
  Change Number Already Assigned: The class type you are trying to modify has already been assigned a change number in a previous change request. This means that the system is preventing further changes to ensure data integrity and consistency.
  Change Management Settings: The settings in the change management configuration may restrict modifications to certain class types once they have been changed.
  
  Solution:
  
  Check Change History: Review the change history for the class type in question to identify the previous change request and understand what modifications were made.
  Use the Correct Change Request: If you need to make further changes, you may need to create a new change request that includes the previous changes or modify the existing change request if it is still open.
  Unlock the Class Type: If necessary, you may need to unlock the class type by removing the change number assignment. This should be done with caution and typically requires appropriate authorization.
  Consult Documentation: Refer to SAP documentation or your organization's change management policies to understand the proper procedures for handling class types and change numbers.
  Contact SAP Support: If the issue persists or if you are unsure how to proceed, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Change Management in SAP: Understanding how change management works in SAP, especially in the context of MDG, is crucial. Familiarize yourself with the concepts of change requests, change numbers, and how they affect master data.
  SAP Notes and Knowledge Base Articles: Check for any relevant SAP Notes or Knowledge Base Articles that may address this specific error message or provide additional troubleshooting steps.
  User Authorization: Ensure that you have the necessary authorizations to make changes to class types and manage change requests in your SAP environment.
  
  By following these steps, you should be able to resolve the error and proceed with your changes in SAP.