unbanChatMember - mkotb/Telegram-Errors GitHub Wiki

If this is used in a normal group, Telegram will respond with method is available for supergroup chats only

If the bot isn't an administrator, Telegram will respond with Bad Request: Not enough rights to kick/unban chat member

If the user hasn't been banned, Telegram will respond with USER_NOT_PARTICIPANT

If not provided, Telegram will return chat_id is empty

If the bot doesn't have access to the chat, or it doesn't exist, Telegram will return chat not found

If chat isn't a supergroup, Telegram will return method is available for supergroup chats only

If not provided, Telegram will respond with wrong user_id specified

If the user id is invalid, Telegram will respond with USER_ID_INVALID