How To Fix CM_MDG_BS_CLF_GEN028 - Change number &2 not valid for class type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MDG_BS_CLF_GEN - Classification Message Class

• Message number: 028

• Message text: Change number &2 not valid for class type &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_MDG_BS_CLF_GEN028 - Change number &2 not valid for class type &1 ?

  The SAP error message CM_MDG_BS_CLF_GEN028 indicates that a change number is not valid for a specific class type. This error typically occurs in the context of Master Data Governance (MDG) when trying to manage changes to master data objects that are associated with a classification system.
  Cause:
  
  Invalid Change Number: The change number you are trying to use may not be valid for the specified class type. This can happen if the change number is not active or if it has been deleted.
  Class Type Restrictions: Certain class types may have specific restrictions or requirements regarding the change numbers that can be used.
  Configuration Issues: There may be configuration issues in the classification system or in the settings related to change management.
  Authorization Issues: The user may not have the necessary authorizations to use the specified change number.
  
  Solution:
  
  Verify Change Number: Check if the change number you are using is valid and active. You can do this by navigating to the relevant transaction in SAP (e.g., using transaction codes like CNO1 or CNO2 to manage change numbers).
  Check Class Type Configuration: Review the configuration for the class type in question. Ensure that the class type is set up to accept the change number you are trying to use.
  Review Change Management Settings: Ensure that the change management settings in your MDG configuration allow for the use of the specified change number with the class type.
  Authorization Check: Ensure that the user has the necessary authorizations to perform actions with the specified change number. You may need to consult with your SAP security team to verify this.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional insights or updates that may address the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error message.
  Transaction Codes: Familiarize yourself with transaction codes related to change management and classification, such as CL02 (Change Class), CL03 (Display Class), and CNO1 (Create Change Number).
  MDG Configuration: Review the configuration settings in the MDG system, particularly those related to change requests and classification.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.