Q: Fingerprint sha256 has already been taken Fingerprint sha256 cannot be generated.KeyType isForbidden.Must beRSA,ED25519"I am Trying toCreate anSSH key I entered that key after entering this command ~/.ssh/id_ed25519.pub and this was the result
/c/Users/KULEH/.ssh/id_ed25519.pub: line 1: syntax error near unexpected token `newline'
/c/Users/KULEH/.ssh/id_ed25519.pub: line 1: `ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJjn/Ikrw1vmBN//SdSax5Fkfy1pTZtfo2mnr5l1z1Km <This one is more secure>'

And this is what I copied and pasted as my ssh key
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJjn


A: You need to make sure the public key you are copying is a full one complete line, without newline in the middle.
Copy it first to an IDE/text editor, with line numbers displayed, and make sure your full public key is one one single line.
Then you can copy that line to your GitLab SSH page.
