Vibe has to add the client URL to the list of site that can access the google calendar. This will be completed internally 

Connect your Google Calendar

1. Log in to your admin console
   
2. Go to Developer Tools > Modules > Global Module Settings
   
   
3. Open Events Calendar
   
4. In the Events Calendar Global Settings,  Scroll down to 'Add Google Calendar':
   
1. Input your preferred calendar name.
   
2. Click the 'Add Calendar' button
   
   
5. You will be redirected to sign in to your Google Account. 
   
6. After signing in, you will see a screen saying that Google has not verified our app. 
   When you see this, click the 'Advanced' link, and then click 'Go to vibe.fyi (unsafe)'.
   
   
7. Once authentication is successful, click OK.
    
   
   

Create Events Calendar RSS feed

1. In the admin console, open Add-On Modules > Events Calendar > RSS Feeds
   
   
2. Click the [+ NEW RSS FEED] button and complete the following fields:
   
1. Title- Free form field used to add a label for your RSS feed (e.g. Google Calendar)
   
2. Enable the Show Google Calendar Events toggle
3. Google Calendar - Select the calendar
   
4. Click [Save] button