Error when watching an atomic game, illegal move

What steps will reproduce the problem?
1. I was logged into FICS.
2. Watching an atomic game.
3.

What is the expected output? What do you see instead?
Output: Error occured! We are trying to make Raptor bug free and we need your 
help! Please take a moment to report this issue by selecting the menu: Help -> 
Report Issue Raptor thinks Ke1 is illegal. An attempt was made to correct the 
position. java.lang.IllegalArgumentException: Illegal move: Ke1 Error occured! 
We are trying to make Raptor bug free and we need your help! Please take a 
moment to report this issue by selecting the menu: Help -> Report Issue Error 
in exceute java.lang.NullPointerException   at 
raptor.swt.chess.controller.ObserveController.onPlayMoveSound(Unknown Source) 
    at raptor.swt.chess.controller.ObserveController$1$4.execute(Unknown Source) 
    at raptor.util.RaptorRunnable.run(Unknown Source)   at 
org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)    at 
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown Source)   at 
org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)    at 
org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)     at 
org.eclipse.jface.window.Window.runEventLoop(Window.java:825)   at 
org.eclipse.jface.window.Window.open(Window.java:801)   at 
raptor.Raptor.main(Unknown Source)

What version of the product are you using? On what operating system and
what environment?
Raptor .99f1, Lubuntu 14.04, LXDE.

Please provide any additional information below.
Raptor reported this error but despite this "crash" it didn't stop to work.

Original issue reported on code.google.com by AnjeeIs...@gmail.com on 30 Jul 2014 at 2:24

rijalati / raptor-chess-interface

Error when watching an atomic game, illegal move #771