what does this message mean? vsc eb1b

I called cis two weeks ago and got an inquiry, yesterday I got the same message. EB1b vsc On April 21, 2005, we received this I485 APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS, and mailed you a notice describing how we will process your case. Please follow any instructions on this notice. I have had the fingergprint last year, of courase it already has expired. what does the message to me?