How To Fix CM_MDG_BS_CLF_GEN104 - No default class type exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MDG_BS_CLF_GEN - Classification Message Class

• Message number: 104

• Message text: No default class type exists

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_GEN104 - No default class type exists ?

  The SAP error message CM_MDG_BS_CLF_GEN104: No default class type exists typically occurs in the context of Master Data Governance (MDG) when the system is unable to find a default class type for a specific business object or data model. This can happen during various operations, such as creating or managing master data.
  Cause:
  
  Missing Configuration: The default class type for the business object may not be configured in the system. This can happen if the necessary settings were not completed during the initial setup of the MDG system.
  Incorrect Customization: If the system has been customized, it is possible that the class type was inadvertently removed or not properly defined.
  Transport Issues: If the configuration was transported from another system, there may have been issues during the transport that resulted in missing or incomplete settings.
  Data Model Issues: The data model being used may not have a defined default class type, leading to this error when trying to process data.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the MDG customizing settings and verify that the default class type is defined for the relevant business object.
  Use transaction code SPRO to access the configuration settings and navigate to the relevant MDG area to check the class type settings.
  
  
  
  Define Default Class Type:
  
  If the default class type is missing, you will need to create or define it. This can typically be done in the MDG customizing settings under the relevant data model.
  Ensure that the class type is correctly assigned to the business object.
  
  
  
  Review Transport Requests:
  
  If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate what went wrong.
  Ensure that all necessary objects were included in the transport request.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of MDG you are using. There may be specific instructions or known issues related to class types.
  
  
  
  Testing:
  
  After making changes, test the functionality again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  MDG Documentation: Refer to the official SAP MDG documentation for detailed information on configuring class types and business objects.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support for further assistance.