6.1 Launcher and work flow not working in 6.4 after migration

Hi All,

I am getting below error while migration workflow and launcher from 6.1 to 6.4. All these launchers and workflows are working fine in 6.1.

*ERROR* [Workflow Starter Thread] com.adobe.granite.workflow.core.launcher.WorkflowLauncherListener

ERROR: Could not find model /etc/workflow/models/iktest/name-update/jcr:content/model,

cannot execute launcher /etc/workflow/launcher/config/name_update for content path /content/iktest/en/login

Listener Class snippet:

Thanks