How To Fix CNV_DMC_MC_EXCEPTION028 - An exception in object validator occured

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 028

• Message text: An exception in object validator occured

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 CNV_DMC_MC_EXCEPTION028 - An exception in object validator occured ?

  The SAP error message CNV_DMC_MC_EXCEPTION028 typically indicates that there is an issue with the object validation process during a data migration or conversion task in SAP. This error is part of the Data Migration Cockpit (DMC) and can occur for various reasons, such as data inconsistencies, configuration issues, or problems with the migration objects themselves.
  Causes:
  
  Data Inconsistencies: The data being migrated may not meet the validation rules defined in the target system, leading to exceptions during the validation process.
  Configuration Issues: Incorrect or incomplete configuration of the migration objects or the DMC settings can trigger this error.
  Missing Dependencies: Required dependencies or related objects may not be available or properly configured in the target system.
  Custom Code: If there are custom validations or enhancements in the migration process, they may be causing the exception.
  Version Mismatch: The version of the source and target systems may not be compatible, leading to validation failures.
  
  Solutions:
  
  Check Data Quality: Review the data being migrated for inconsistencies or errors. Ensure that it adheres to the validation rules of the target system.
  Review Configuration: Verify the configuration settings for the migration objects in the DMC. Ensure that all necessary settings are correctly defined.
  Check Dependencies: Ensure that all required dependencies and related objects are available and correctly configured in the target system.
  Debug Custom Code: If there are custom validations or enhancements, debug the code to identify any issues that may be causing the exception.
  Consult Logs: Check the detailed logs for more specific error messages or stack traces that can provide insights into the root cause of the exception.
  SAP Notes: Search for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error or provide guidance on similar issues.
  Contact SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  SAP Data Migration Cockpit (DMC): A tool used for data migration in SAP systems, which provides a framework for migrating data from legacy systems to SAP S/4HANA or other SAP solutions.
  Error Handling in DMC: Familiarize yourself with the error handling and logging mechanisms in the DMC to better understand and troubleshoot issues.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit, which may provide additional context and troubleshooting steps for common errors.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV_DMC_MC_EXCEPTION028 error.