How To Fix CNV_DMC_MC_EXCEPTION048 - Class &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 048

• Message text: Class &1 does not exist

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 CNV_DMC_MC_EXCEPTION048 - Class &1 does not exist ?

  The SAP error message CNV_DMC_MC_EXCEPTION048 with the description "Class &1 does not exist" typically occurs during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the system is trying to reference a class that is not defined or does not exist in the system.
  Causes:
  
  Missing Class Definition: The specified class (denoted by &1) is not defined in the SAP system. This could be due to a missing transport or an incomplete installation.
  Incorrect Configuration: The configuration settings may reference a class that has been deleted or renamed.
  Transport Issues: If the class was part of a transport request that was not successfully imported, it may lead to this error.
  Namespace Issues: The class might exist in a different namespace that is not accessible in the current context.
  
  Solutions:
  
  
  Check Class Existence:
  
  Use transaction code SE24 (Class Builder) to check if the class exists in the system. If it does not exist, you may need to create it or import it from a transport.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the DMC or related tools to ensure that the correct class is being referenced. Update the configuration if necessary.
  
  
  
  Transport Management:
  
  If the class is part of a transport request, ensure that the transport has been successfully imported into the target system. You can check the transport logs for any errors.
  
  
  
  Namespace Verification:
  
  Verify if the class is in a different namespace. If it is, ensure that the necessary authorizations and access are in place to reference it.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the specific migration or conversion process you are performing. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant logs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for any specific requirements or known issues related to class definitions.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.