I was doing the breakout walkthrough for pset3. I looked at the other questions which talked about a compilation error using gwindow. I tried the solutions there but it didn't work, and this error message is different. See the below error and my code please:
I have ensured that I saved the file in the src4m folder and ran it from there. I have the latest 2015 appliance which is 2014-29. Yet it still comes with this strange error that I don't know how to solve, nor what it represents.