CRM Calendar no longer syncs with Google Calendar

CRM Calendar no longer syncs with Google Calendar

I have had my Zoho CRM Calendar set up to sync with Goggle calendar for the past year and it has been working without issue.  Suddenly for no apparent reason, it no longer syncs and there is nothing I can do to get it to sync.  I have not changed any google or CRM settings.  I tried to deactivate and set it up again, but it is useless.  it syncs some random items from Zoho CRM to Google.  It syncs nothing from Google to CRM.  I got a notification from Google telling me that Zoho now has access, but it is still useless.  After two hours I cannot get this to work as it has done for the past year.