[Stendhal] NPE in DropPlayerItems

2010-03-21 19:14:30 ERROR [verManager] ScriptInJava ( 92) - java.lang.reflect.InvocationTargetException
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at games.stendhal.server.core.scripting.ScriptInJava.execute(ScriptInJava.java:90)
at games.stendhal.server.core.scripting.ScriptRunner.perform(ScriptRunner.java:156)
at games.stendhal.server.core.scripting.ScriptRunner.onAction(ScriptRunner.java:321)
at games.stendhal.server.actions.CommandCenter.execute(CommandCenter.java:103)
at games.stendhal.server.core.engine.StendhalRPRuleProcessor.execute(StendhalRPRuleProcessor.java:266)
at marauroa.server.game.rp.RPScheduler.visit(RPScheduler.java:113)
at marauroa.server.game.rp.RPServerManager.run(RPServerManager.java:509)
Caused by: java.lang.NullPointerException
at games.stendhal.server.script.DropPlayerItems.execute(DropPlayerItems.java:53)
... 11 more