error_USER_NOT_MUTUAL_CONTACT

Sorry, iIf a person is no longer part of ahas left the group in the past, you need to be in their Telegram contacts to add each other to your respective contact lists to be able to add them back.

Note thatThey can still join via the group's invite link as long as they could still join viaare not on the group's invite link as long as they are not in the removed uRemoved Users list.
203
Applied
如果某人過去曾退出過群組,您需要成為該用戶的 Telegram 聯絡人才能將其加回來。

只要不在「已移除的用戶」名單中,該用戶仍然可以透過邀請連結加入。
77/203
Oliver, Apr 6, 2023 at 09:41
Applied
如果某人過去曾退出過群組,您需要成為該用戶的 Telegram 聯絡人才能將其加回來。

只要不在「已移除的用戶」名單中,該用戶仍然可以透過邀請連結加入
抱歉,只有他的聯絡人可以將他帶回
17/203
初音 ミク, May 18, 2019 at 14:06