Google Calendar Writer Access Error

To sync appointments with the selected Google Calendar, you need writer access. Please check with the Google Calendar owner in case syncing is required.

For Group Calendar:

For Unassigned Calendar:

Step 1:

To access the Google calendar, the owner must be logged into Google and go to calendar.google.com.

Step 2:

Click the three-dot icon and choose "Settings And Sharing" on the desired schedule.

Step 3: 

Scroll down to "Share with specific people" > Click "Add People" and add the email address of the Google Account synced in Topline OS > set Permissions to "Make changes to events" > click "Send to Save".

The Google calendar should now be in sync with Topline OS.