GoGuardian Fleet, as well as some other components of GoGuardian Admin, require that Google+ APIs are enabled for your domain.

1. Using your administrator-level credentials, log into the Google Admin console at admin.google.com.
2. Click on Apps.
   
   
   
   
3. Click on G Suite.
   
   
   
   
4. Click on Google+.
   
   
   
   
5. Click on Advanced Settings.
   
   
   
   
6. Under the Google+ APIs heading, make sure that the Allow apps to access the Google+ APIs box is checked/enabled.
   
   
   
   
7. At the bottom of the screen, click Save.