You can't add this user as an admin because they are not a member of this group and you are not allowed to add them.
116
Applied
抱歉，您无法将此用户设为管理员，因为此用户不在群聊中，且您无权邀请成员。
36/116
Robert Lyu,
May 3, 2023 at 08:50
Add Translation
Log In
Log in here to translate Telegram apps. Please enter your phone number in the international format and we will send a confirmation message to your account via Telegram.