Hi guys! (Especially the greenfoot-team) I tried to creat a new class by Strg+N (Edit--> New Class...) I entered the name 'Drink' and got an error: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at bluej.parser.nodes.NodeTree.one_child_remove(NodeTree.java:419) at bluej.parser.nodes.NodeTree.remove(NodeTree.java:309) at bluej.parser.nodes.ParsedNode.remove(ParsedNode.java:228) at bluej.parser.EditorParser.endDecl(EditorParser.java:453) at bluej.parser.EditorParser.gotMethodDeclaration(EditorParser.java:958) at bluej.parser.JavaParser.parseClassElement(JavaParser.java:1179) at bluej.parser.nodes.TypeInnerNode.doPartialParse(TypeInnerNode.java:128) at bluej.parser.nodes.IncrementalParsingNode.reparseNode(IncrementalParsingNode.java:282) at bluej.parser.nodes.ParsedNode.reparse(ParsedNode.java:336) at bluej.editor.moe.MoeSyntaxDocument.pollReparseQueue(MoeSyntaxDocument.java:242) at bluej.editor.moe.MoeSyntaxDocument.flushReparseQueue(MoeSyntaxDocument.java:274) at bluej.editor.moe.MoeSyntaxDocument.getParser(MoeSyntaxDocument.java:167) at bluej.editor.moe.MoeEditor.getParsedNode(MoeEditor.java:1132) at bluej.pkgmgr.target.ClassTarget.getTypeRefelective(ClassTarget.java:308) at bluej.pkgmgr.ProjectEntityResolver.resolveQualifiedClass(ProjectEntityResolver.java:77) at bluej.parser.entity.PackageResolver.resolvePackageOrClass(PackageResolver.java:58) at bluej.parser.nodes.ParsedCUNode.resolvePackageOrClass(ParsedCUNode.java:163) at bluej.parser.entity.UnresolvedEntity.resolveAsType(UnresolvedEntity.java:101) at bluej.parser.InfoParser.resolveComments(InfoParser.java:283) at bluej.parser.InfoParser.parse(InfoParser.java:193) at bluej.parser.InfoParser.parse(InfoParser.java:171) at bluej.pkgmgr.SourceInfo.getInfo(SourceInfo.java:64) at bluej.pkgmgr.target.ClassTarget.analyseSource(ClassTarget.java:1171) at bluej.pkgmgr.Package.reload(Package.java:950) at bluej.extensions.BPackage.reload(BPackage.java:109) at rmiextension.wrappers.RPackageImpl.newClass(RPackageImpl.java:302) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322) at sun.rmi.transport.Transport$1.run(Transport.java:177) at sun.rmi.transport.Transport$1.run(Transport.java:174) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:273) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:251) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:160) at rmiextension.wrappers.RPackageImpl_Stub.newClass(Unknown Source) at greenfoot.core.GPackage.newClass(GPackage.java:185) at greenfoot.actions.NewClassAction.actionPerformed(NewClassAction.java:87) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.AbstractButton.doClick(AbstractButton.java:376) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877) at java.awt.Component.processMouseEvent(Component.java:6505) at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) at java.awt.Component.processEvent(Component.java:6270) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) at java.awt.Container.dispatchEventImpl(Container.java:2273) at java.awt.Window.dispatchEventImpl(Window.java:2713) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:707) at java.awt.EventQueue.access$000(EventQueue.java:101) at java.awt.EventQueue$3.run(EventQueue.java:666) at java.awt.EventQueue$3.run(EventQueue.java:664) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:680) at java.awt.EventQueue$4.run(EventQueue.java:678) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:677) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105) at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)