That's a different error than before.
That means that you are most likely missing your rclone.conf for that user.
rclone.conf is specific for each user so if you were running as root and change user, you need to make a rclone.conf for that user as well or point to a common location.
rclone config file
Will show you were it is. Test and validate by running something like
rclone about plex:
as root and as your user above.