Rated 1 out of 5 stars

by Olaf on Jan. 19, 2021 ·

Gave up on this add-on.
Just follow the procedure that Greg supplied in his comments on jan 19th 2021 for the CALDAV method.
That works fine.
See:
https://addons.thunderbird.net/en-US/thunderbird/addon/provider-for-google-calendar/reviews/user:5686801

This review is for a previous version of the add-on (78.0.1).