By mistake i deleted my keys from my computer and didnt have a backup. Now I am trying to generate new keys following the tutorial https://www.digitalocean.com/community/tutorials/how-to-use-ssh-keys-with-putty-on-digitalocean-droplets-windows-users#setting-up-an-ssh-session-with-ssh-keys-in-putty but I am still getting

Server refised our key

I generated ssh2-rsa keys using putty. I added them to my account successfully I loaded the private key from putty but I can't log in.

Please help