How To Fix CNV_DMC_WDA135 - Error while generating runtime objects

CNV_DMC_WDA135 - Overview

• 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runtime object is outdated.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.

CNV_DMC_WDA135 - Details

• 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