Filter error

Attempting to build a filter. I get the following error(s). What have I
done?

java.lang.NullPointerException
java.lang.NullPointerException  at
com.ibm.etools.systems.filters.ui.dialogs.SystemNewFilterWizard.createNe
wFilter(Unknown Source)         at
com.ibm.etools.systems.filters.ui.dialogs.SystemNewFilterWizard.performF
inish(Unknown Source)   at
org.eclipse.jface.wizard.WizardDialog.finishPressed(Unknown Source)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(Unknown Source)
at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Unknown Source)
at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)     at
org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.eclipse.jface.window.Window.runEventLoop(Unknown Source)
at org.eclipse.jface.window.Window.open(Unknown Source)         at
com.ibm.etools.systems.core.ui.actions.SystemBaseDialogAction.run(Unknow
n Source)       at
com.ibm.etools.systems.as400filesubsys.impl.FileSubSystemFactoryImpl.cre
ateFilterByPrompting(Unknown Source)    at
com.ibm.etools.systems.core.ui.view.SystemViewFilterReferenceAdapter.int
ernalGetChildren(Unknown Source)        at
com.ibm.etools.systems.core.ui.view.SystemViewFilterReferenceAdapter.get
Children(Unknown Source)        at
com.ibm.etools.systems.core.ui.view.SystemViewLabelAndContentProvider.ge
tChildren(Unknown Source)       at
org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(Unknown
Source)         at
org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(Unknown
Source)         at
org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(Unknown
Source)         at
org.eclipse.jface.viewers.AbstractTreeViewer$1.run(Unknown Source)
at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(Unknown
Source)         at
org.eclipse.jface.viewers.AbstractTreeViewer.handleTreeExpand(Unknown
Source)         at
com.ibm.etools.systems.core.ui.view.SystemView.handleTreeExpand(Unknown
Source)         at
org.eclipse.jface.viewers.AbstractTreeViewer$4.treeExpanded(Unknown
Source)         at
org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)     at
org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)        at
org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)        at
org.eclipse.swt.widgets.Tree.wmNotifyChild(Unknown Source)      at
org.eclipse.swt.widgets.Control.WM_NOTIFY(Unknown Source)       at
org.eclipse.swt.widgets.Composite.WM_NOTIFY(Unknown Source)     at
org.eclipse.swt.widgets.Control.windowProc(Unknown Source)      at
org.eclipse.swt.widgets.Display.windowProc(Unknown Source)      at
org.eclipse.swt.internal.win32.OS.CallWindowProcW(Native Method)
at org.eclipse.swt.internal.win32.OS.CallWindowProc(Unknown Source)
at org.eclipse.swt.widgets.Tree.callWindowProc(Unknown Source)  at
org.eclipse.swt.widgets.Tree.WM_LBUTTONDOWN(Unknown Source)     at
org.eclipse.swt.widgets.Control.windowProc(Unknown Source)      at
org.eclipse.swt.widgets.Display.windowProc(Unknown Source)      at
org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)      at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
at org.eclipse.ui.internal.ide.IDEApplication.run(Unknown Source)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(Unknown
Source)         at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:
273)    at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:
129)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:85)   at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:58)   at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:60)   at java.lang.reflect.Method.invoke(Method.java:391)
at org.eclipse.core.launcher.Main.basicRun(Main.java:185)       at
org.eclipse.core.launcher.Main.run(Main.java:704)       at
org.eclipse.core.launcher.Main.main(Main.java:688)