Create a new Project
Connect to Google Action Console
MMM-GoogleAssisant
(and make it in accord with your language and country)/!\ it must be the same project name like when you create your credentials for MMM-GoogleAssistant
there
Google can purpose a choice, let's check it!
... and Create project
or Import project
Smart Home
... and click start Building
Select your current project in project list
Select Project setting
It's must match with
npm run project
result (copied in note pad)