Sorry,You can't add this user as an admin because they are not a member of this group and you can'tare not allowed to add this user as an admin because they are not a member of this group and you are not allowed to invite them.
116
抱歉，您无法将此用户设为管理员。因为此用户不是群组成员，且您也无权添加此用户。
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冬雪织梦,
May 7, 2020 at 16:08