When adding MNL controller in Workstation for Projects, it will show up an error: Object type is not supported.
Workstation for Project
When using the Project Configuration Server, you cannot create MNL LonWorks devices and applications. Accordingly, the WorkPlace Tech Editor option does not display in the Control Panel.
MNL LonWorks devices can be added in an Enterprise Server or Automation Server after deploying a project to one of these servers.