Transition Readiness
From Tranzman Documentation
Headline
The Tranzman transition readiness is controlled by the Start Transition page.It basically gives you a checklist of the items that should be configured
before you can hit the 
As an exampled the below screenshot highlights that License is still not added but rest of the configurations has been done.
You can go to Licensing Page to check how to add the license.
Once you add the License your checklist should be ready for like above exampled and you should be able to hit