How To Fix CNV_DMC_HC037 - Master job is not running; job is being rescheduled

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_HC -

• Message number: 037

• Message text: Master job is not running; job is being rescheduled

What causes this issue?

There is a short period of time every day where the system reschedules
the SAP Landscape Transformation Replication Server master 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?

Check the system again in a few minutes. If there is at least one active
configuration, the master job should be running again. You can verify
this in transaction SM37 by searching for job /1LT/IUC_REP_MSTR.

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_HC037 - Master job is not running; job is being rescheduled ?

  The SAP error message CNV_DMC_HC037 indicates that a master job is not currently running and is being rescheduled. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  
  Job Scheduling Issues: The master job may not have started due to scheduling conflicts or resource availability.
  System Performance: High system load or performance issues can prevent the job from executing as expected.
  Configuration Errors: Incorrect configuration settings in the migration tool or job parameters may lead to the job not being initiated.
  Dependencies: The master job may depend on other jobs or processes that have not completed successfully.
  Database Locks: Locks on database tables or resources can prevent the job from running.
  
  Solution:
  
  Check Job Status: Use transaction codes like SM37 to check the status of the job. Look for any related jobs that may be causing the delay.
  Review Logs: Check the logs for any error messages or warnings that could provide more context on why the job is not running.
  Resource Availability: Ensure that there are sufficient system resources (CPU, memory, etc.) available for the job to run.
  Configuration Review: Verify the configuration settings for the migration job to ensure they are correct.
  Restart the Job: If the job is stuck, you may need to manually restart it or reschedule it.
  Check Dependencies: Ensure that all prerequisite jobs or processes have completed successfully before the master job is scheduled to run.
  Database Health: Check for any database locks or issues that may be affecting job execution.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit or the specific migration tool you are using for best practices and configuration guidelines.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages for further analysis.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.