Annotation: Exception occurred in Request Processor
java.lang.IllegalArgumentException: Deassign from wrong parent. Old: null Caller: org.openide.nodes.FilterNode$Children@6995b7
	at org.openide.nodes.Node.deassignFrom(Node.java:270)
	at org.openide.nodes.Children.notifyRemove(Children.java:747)
	at org.openide.nodes.Children$Keys.notifyRemove(Children.java:1933)
	at org.openide.nodes.Children.updateRemove(Children.java:706)
	at org.openide.nodes.Children.setEntries(Children.java:660)
	at org.openide.nodes.Children$3.run(Children.java:1874)
	at org.openide.util.Mutex.postRequest(Mutex.java:885)
	at org.openide.util.Mutex.postWriteRequest(Mutex.java:375)
	at org.openide.nodes.Children$Keys.applyKeys(Children.java:1882)
	at org.openide.nodes.Children$Keys.setKeys(Children.java:1864)
	at org.openide.nodes.FilterNode$ChildrenAdapter.run(FilterNode.java:1170)
	at org.openide.nodes.FilterNode$Children.updateKeys(FilterNode.java:1126)
	at org.openide.nodes.FilterNode$Children.filterChildrenRemoved(FilterNode.java:1106)
	at org.openide.nodes.FilterNode$ChildrenAdapter.childrenRemoved(FilterNode.java:1197)
	at org.openide.nodes.Node.fireSubNodesChange(Node.java:849)
	at org.openide.nodes.Children.notifyRemove(Children.java:737)
	at org.openide.nodes.Children.refreshEntry(Children.java:976)
	at org.openide.nodes.Children$Array.refreshImpl(Children.java:1226)
	at org.openide.nodes.Children$2.run(Children.java:1244)
	at org.openide.util.Mutex.postRequest(Mutex.java:885)
	at org.openide.util.Mutex.postWriteRequest(Mutex.java:375)
	at org.openide.nodes.Children$Array.refresh(Children.java:1242)
	at org.openide.nodes.Children$Array.remove(Children.java:1301)
	at org.openide.nodes.Node$1.run(Node.java:425)
	at org.openide.util.Mutex.postRequest(Mutex.java:875)
	at org.openide.util.Mutex.postWriteRequest(Mutex.java:375)
	at org.openide.nodes.Node.destroy(Node.java:420)
	at org.netbeans.modules.db.explorer.nodes.DatabaseNode.destroy(DatabaseNode.java:160)
	at org.openide.nodes.FilterNode.destroy(FilterNode.java:451)
	at org.openide.explorer.ExplorerActions$1.run(ExplorerActions.java:674)
	at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:89)
	at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:414)
	at org.openide.explorer.ExplorerActions$DeleteActionPerformer.doDestroy(ExplorerActions.java:670)
	at org.openide.explorer.ExplorerActions$DeleteActionPerformer.performAction(ExplorerActions.java:614)
	at org.openide.explorer.ExplorerActions$DeleteActionPerformer.actionPerformed(ExplorerActions.java:692)
	at org.openide.util.actions.CallbackSystemAction$DelegateAction.actionPerformed(CallbackSystemAction.java:503)
	at org.netbeans.core.ModuleActions$1.run(ModuleActions.java:97)
	at org.openide.util.Task.run(Task.java:136)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:328)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:670)