Well started doing map work again, and tried my (probably too large map) on your editor. The map opens with no issues I can look around and do everything, but as soon as I try and use my parties.py it crashes. I have edited all the icons to use vanilla MnB icons and it still has the same error.
error message:
error message:
Uncaught exception thrown in Thread[jME3 Main,5,main]
OutOfMemoryError: Java heap space
OutOfMemoryError: Java heap space