ChannelUserLeftError

Sorry, this user decidif a person is no longer part of a channel, you need to leave this channel, so you cannotbe in their Telegram contacts in order to add them back.

Note
herethat they could still join via the channel's invite link as long as they are not in the Removed users list.
233
Applied
Təəssüf ki, bu istifadəçi kanalı tərk eləmək qərarına gəldi, ona görə siz onu geri dəvət edə bilməzsiniz.
105/233
Kamran İbrahimov, Oct 17, 2018 at 16:28