Project 1 - TicTacToe doesn't run on Eclipse

[tamiragun]

Hi there, I have Eclipse not IntelliJ, and when I open the project and run the Game.java file, it gives me the following error:

"Exception in thread "main" java.lang.IllegalArgumentException: input == null!
at java.desktop/javax.imageio.ImageIO.read(ImageIO.java:1356)
at com.udacity.GameUI.(GameUI.java:39)
at com.udacity.Game.main(Game.java:163)"

What must I do for this programme to run in Eclipse?