After deleting objects (labels, timers, sounds, images) from a card, saving/recompiling gives a following error:
*****
Trying to generate code for card loppukortti : null
Feb 10, 2009 7:58:27 PM com.caucho.hessian.io.SerializerFactory getDeserializer
WARNING: Hessian/Burlap: 'javax.ejb.EJBException' is an unknown class in sun.plugin2.applet.Applet2ClassLoader@139878d:
java.lang.ClassNotFoundException: javax.ejb.EJBException
Feb 10, 2009 7:58:27 PM fi.jyu.nmi.neure.taskeditor.TaskEditorDataController getNeureObject
SEVERE: getNeureObject : RemoteException
null
java.lang.NullPointerException
at fi.jyu.nmi.neure.taskcompiler.CardCodeGenerator.generateReaction(Unknown Source)
at fi.jyu.nmi.neure.taskcompiler.CardCodeGenerator.createObject(Unknown Source)
at fi.jyu.nmi.neure.taskcompiler.CardCodeGenerator.generateCode(Unknown Source)
at fi.jyu.nmi.neure.taskcompiler.CardCodeGenerator.getCode(Unknown Source)
at fi.jyu.nmi.neure.taskeditor.TaskEditorDataController.save(Unknown Source)
at fi.jyu.nmi.neure.taskeditor.MainFrame$4.construct(Unknown Source)
at javax.swing.swingutilities.SwingWorker$2.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
*****

The task in question was 'A Lukujen vertailu' (id 1047), and the card from where the deletions were made: 'loppukortti' (id 3829).