Dec 1st 2017 #1 at L.O.<init>(SourceFile:107)at content.Game.initGui(SourceFile:2660)at w.h.update(SourceFile:148)at com.jme3.app.state.AppStateManager.update(AppStateManager.java:287)at commons.JIWApplication.update(SourceFile:328)
Dec 1st 2017 #2 Please check out if you still encounter this crash after the latest hotfix (maybe you have to restart your Steam client in order to get the update)