Before this commit: if an event's attendee didn't have a state, it couldn't get synced with Google. The solution is first to set a default value for it. opw-2915661 closes odoo/odoo#102865 X-original-commit: 89b53744c668183913b8a188730bd350fe778807 Signed-off-by: Arnaud Joset <arj@odoo.com> Signed-off-by: Pedram Bi Ria (pebr) <pebr@odoo.com>