I ran into this problem when I didn't explicitly request "offline" obtain when sending the person to your OAuth "Do you want to offer this application permission to the touch your stuff?" web site. a : closely resembling an first : real to nature b : marked by quick simplicity https://www.reddit.com/user/Consistent-Load1428/comments/1n7bz6p/herbal_medicines_online_cureayu_nonprescription/