Stuck on Overthewire Bandit 16

I'm trying these games and I'm stuck on level 16. I solved it, even checked a tutorial but I still can't get access to level 17. This is the error message after I enter the ssh command:bandit16@bandit:/tmp/sshkeyz$ ssh -i keyz.key bandit17@bandit.labs.overthewire.org -p 2220The authenticity of host '[bandit.labs.overthewire.org]:2220 ([127.0.0.1]:2220)' can't be established.ED25519 key fingerprint is SHA256:C2ihUBV7ihnV1wUXRb4RrEcLfXC5CXlhmAAM/urerLY.This key is not known by any other namesAre you sure you want to continue connecting (yes/no/[fingerprint])? yesCould not create directory '/home/bandit16/.ssh' (Permission denied).Failed to add the host to the list of known hosts (/home/bandit16/.ssh/known_hosts)._ _ _ _| |__ __ _ _ __ __| (_) |_| '_ \ / _` | '_ \ / _` | | __|| |_) | (_| | | | | (_| | | |_|_.__/ \__,_|_| |_|\__,_|_|\__|This is an OverTheWire game server.More information on https://ift.tt/0bVQmA6!!! You are trying to log into this SSH server with a password on port 2220 from localhost.!!! Connecting from localhost is blocked to conserve resources.!!! Please log out and log in again.Load key "keyz.key": error in libcryptobandit17@bandit.labs.overthewire.org: Permission denied (publickey).What does this mean? I'm running this on putty and tried again on duplicated session and a new session but it still did not work. by HowToHack on Reddit.com Stuck on Overthewire Bandit 16 - I'm trying these games and I'm stuck on level 16. I solved it, even checked a tutorial but I still can't get access to level 17. This is the error message after I enter the ssh command:bandit16@bandit:/tmp/sshkeyz$ ssh -i keyz.key bandit17@bandit.labs.overthewire.org -p 2220The authenticity of host '[bandit.labs.overthewire.org]:2220 ([127.0.0.1]:2220)' can't be established.ED25519 key fingerprint is SHA256:C2ihUBV7ihnV1wUXRb4RrEcLfXC5CXlhmAAM/urerLY.This key is not known by any other namesAre you sure you want to continue connecting (yes/no/[fingerprint])? yesCould not create directory '/home/bandit16/.ssh' (Permission denied).Failed to add the host to the list of known hosts (/home/bandit16/.ssh/known_hosts)._ _ _ _| |__ __ _ _ __ __| (_) |_| '_ \ / _` | '_ \ / _` | | __|| |_) | (_| | | | | (_| | | |_|_.__/ \__,_|_| |_|\__,_|_|\__|This is an OverTheWire game server.More information on https://ift.tt/0bVQmA6!!! You are trying to log into this SSH server with a password on port 2220 from localhost.!!! Connecting from localhost is blocked to conserve resources.!!! Please log out and log in again.Load key "keyz.key": error in libcryptobandit17@bandit.labs.overthewire.org: Permission denied (publickey).What does this mean? I'm running this on putty and tried again on duplicated session and a new session but it still did not work. buy funny gadgets: https://ebay.us/5MCoAl