How To Fix CNV_DMC_HC030 - Job &1 (ID: &2): Unknown error

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_HC -

• Message number: 030

• Message text: Job &1 (ID: &2): Unknown error

What causes this issue?

An issue occurred with the job.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

In transaction LTRC, you can view the possible causes of the issue. On
the tabs <ZK>Table Overview</> and <ZK>Data Transfer Monitor</>, you can
choose the <ZK>View Errors</> pushbutton. On the tab <ZK>Application
Logs</>, you can also view the logs for the initial load and for the
replication process.
If this is a recurring error, please open an incident using component
HAN-DP-LTR. In the incident, specify all information about the mass
transfer ID and the job. You can find more information about the job in
transaction SE37.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_HC030 - Job &1 (ID: &2): Unknown error ?

  The SAP error message CNV_DMC_HC030 typically indicates that there is an unknown error occurring during the execution of a job related to the Data Migration Cockpit (DMC) or a similar data migration process. This error can arise from various underlying issues, and troubleshooting it may require a systematic approach.
  Possible Causes:
  
  Configuration Issues: Incorrect configuration settings in the Data Migration Cockpit or related tools.
  Data Quality Problems: Issues with the data being migrated, such as missing mandatory fields, incorrect data formats, or data inconsistencies.
  System Resource Limitations: Insufficient memory, CPU, or disk space on the SAP system or database.
  Authorization Issues: Lack of necessary authorizations for the user executing the job.
  Transport Issues: Problems with transport requests or missing objects in the system.
  Version Compatibility: Incompatibility between the source and target systems or between different versions of SAP components.
  
  Solutions:
  
  Check Logs: Review the detailed logs associated with the job execution. Look for any preceding error messages that might provide more context.
  Validate Data: Ensure that the data being migrated meets all the required criteria and formats. Use data validation tools if available.
  Review Configuration: Double-check the configuration settings in the Data Migration Cockpit and ensure they are set up correctly.
  Monitor System Resources: Check the system's performance metrics to ensure there are enough resources available for the job to run.
  User Authorizations: Verify that the user executing the job has the necessary authorizations to perform the migration.
  Check for Updates: Ensure that you are using the latest version of the Data Migration Cockpit and that all relevant SAP notes have been applied.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for detailed guidance on configuration and usage.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the root cause of the CNV_DMC_HC030 error and implement an appropriate solution.