not able to join on #rubyonrails channel on freenode

I have tried to connect with #rubyonrails channel but authentication failed. Can someone help me out in resolving this problem.It is urgent as i am facing so many problems in development phase. I need to discuss things.

​Have you identified your chat username?

Try this /msg NickServ identify <password>.

and try rejoining the channel​

No will you be more specific . What to give in chat username ? Can you provide me link for that.