PTY allocation request failed on channel 0

[AndrewBoWen666]

When I finished SSH agent forwarding and tried to make sure authentication on PuTTY by doing "ssh [email protected]" , the following information were shown :

I searched on the Internet and it suggested this error was due to .ssh/config missing. I checked my config file a few times it was correct. The config file is shown below:

How can I solve this issue?

Kind Regards.

[jjd06]

Have a look at the line immediately below "PTY allocation request failed on channel 0."

[AndrewBoWen666]

It does show the"successfully authenticated", but in this case "ssh -A -i " won't work.

[jjd06]

What are you expecting to work? The purpose of this step is just to ensure that your credentials are set up correctly (which they are, hence the successful authentication message). It's not possible to open a shell session with Github because, as the message tells you, it doesn't allow them.