How did you prepare the 2014 return? A prior-year return cannot be prepared online; it has to be prepared in 2014 desktop software (CD/download) installed on your computer. Did you prepare it using the desktop software?
Also, a 2014 return cannot be efiled; it has to be printed and mailed. Did you print and mail the 2014 return a month ago? Did it show that you are due a Federal refund?