not able to add nodes by set for local system

hii..

For generating stress sheets at specific nodes i want to input the selected nodes by set. I am able to import the text file but still during extended entity selection i m not able to add nodes through text files and shows 0 entities while in hyperworks 14 while i m able to add nodes from same text file in hyperworks 17. Can anyone help me out?

THANK YOU IN ADVANCE.