How To Fix CNV_DMC_WDA135 - Error while generating runtime objects

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 135

• Message text: Error while generating runtime objects

What causes this issue?

An error occurred while generating the runtime object. The relevant
runtime object is outdated.

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?

If you are migrating data to SAP S/4HANA on-premise, use transaction
LTMOM to regenerate the runtime object for the relevant migration
object.
If you are migrating data to SAP S/4HANA cloud, create a new project and
migrate data for the migration object again. If the issue persists,
contact SAP for support by creating a ticket using component CA-LT-MC.

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_WDA135 - Error while generating runtime objects ?

  The SAP error message CNV_DMC_WDA135 typically occurs during the data migration process, particularly when using the SAP Data Migration Cockpit (DMC). This error indicates that there was an issue while generating runtime objects, which are necessary for the data migration process to function correctly.
  Causes:
  
  Missing or Incomplete Configuration: The runtime objects may not be generated due to missing configuration settings or incomplete setup in the migration project.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to create or modify runtime objects.
  Technical Issues: There could be underlying technical issues such as database connectivity problems, or issues with the underlying transport layer.
  Incorrect Data Model: If the data model or mapping is not correctly defined, it can lead to errors during the generation of runtime objects.
  System Performance: If the system is under heavy load or if there are performance issues, it may lead to timeouts or failures in generating the required objects.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the Data Migration Cockpit to ensure that all necessary parameters are correctly set.
  Review Authorizations: Ensure that the user has the appropriate authorizations to perform the migration tasks. This may involve checking roles and permissions in the SAP system.
  Check Logs: Look at the detailed logs for the migration process to identify any specific errors or warnings that could provide more context about the failure.
  Re-run the Generation: Sometimes, simply re-running the generation process can resolve transient issues.
  System Health Check: Perform a health check on the SAP system to ensure that there are no underlying performance issues or connectivity problems.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for detailed guidance on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is impacting critical migration activities.
  
  By following these steps, you should be able to diagnose and resolve the CNV_DMC_WDA135 error effectively.