How To Fix CM_MDG_BS_CLF_GEN001 - Change number switch not supported; reset change number to &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MDG_BS_CLF_GEN - Classification Message Class

• Message number: 001

• Message text: Change number switch not supported; reset change number to &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.

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 CM_MDG_BS_CLF_GEN001 - Change number switch not supported; reset change number to &1 ?

  The SAP error message CM_MDG_BS_CLF_GEN001 indicates that a change number switch is not supported in the current context, and it suggests resetting the change number to a specified value (represented by &1). This error typically occurs in the context of Master Data Governance (MDG) when trying to manage change requests or data changes that involve change numbers.
  Cause:
  
  Unsupported Change Number: The change number you are trying to use may not be valid for the current operation or context. This can happen if the change number is not active, has been deleted, or is not applicable to the specific data object you are working with.
  Configuration Issues: There may be configuration settings in the MDG system that restrict the use of certain change numbers based on the business process or data model.
  Data Model Restrictions: The data model in use may not support the change number functionality for the specific type of data you are trying to modify.
  
  Solution:
  
  Reset Change Number: Follow the suggestion in the error message and reset the change number to the specified value (&1). This can often be done in the change request or data maintenance screen where the error occurred.
  Check Change Number Validity: Verify that the change number you are trying to use is valid and active. You can do this by checking the change number in the relevant transaction or table.
  Review Configuration: Check the configuration settings in the MDG system to ensure that the change number functionality is properly set up for the data model you are working with. This may involve consulting with your SAP Basis or MDG configuration team.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of MDG you are using. There may be known issues or additional configuration steps required.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. Provide them with the error message details and the context in which it occurred.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  MDG Documentation: Review the Master Data Governance documentation for information on change numbers and their usage within the system.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., MDG_CHANGE_REQUEST, MDG_MAINTAIN) that may help you navigate the MDG environment and manage change requests effectively.
  
  By following these steps, you should be able to resolve the error and continue with your data management tasks in SAP MDG.