I’m using the Google Calendar API in my Angular 9 Web Application and trying to create events on a Google Calendar within my G Suite domain
I created the calendar itself under my account and have added the service account with "Make changes to events" permissions
NOTE: I tried the normal gmail account. It is working. But when I try the google business account, I have above problem(Like writer access error when setting up Google calendar event create).
Please find below Screen Shot.
Source: Angular Questions