[#958] - IllegalStateException Trying to Open Designer

java.lang.IllegalStateException: Trying to set lookup ProxyLookup(class=class org.openide.util.lookup.ProxyLookup)->[org.openide.util.lookup.AbstractLookup@76819f35, ProxyLookup(class=class org.openide.explorer.DefaultEMLookup)->[org.openide.explorer.DefaultEMLookup$NoNodeLookup@5e6fe186, SimpleLookup[], SimpleLookup[org.openide.windows.DelegateActionMap@657d1c7e for com.jaspersoft.ireport.designer.JrxmlVisualView[,0,0,429x698,layout=java.awt.BorderLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=256,maximumSize=,minimumSize=,preferredSize=]]], AbstractLookup[IL[com.jaspersoft.ireport.designer.JrxmlEditorSupport@18686efe, IL[com.jaspersoft.ireport.JrxmlDataObject@6ba5a308[MasterFileObject@25ed4772[Users/bleonard/Temp/iReport/src/ireport/customerReport.jrxml]], IL[MasterFileObject@25ed4772[Users/bleonard/Temp/iReport/src/ireport/customerReport.jrxml]], SimpleLookup[org.netbeans.spi.palette.PaletteController@2e653ced]] but there already is [Ljava.lang.Object;@5d2e5c00 for component: com.jaspersoft.ireport.designer.JrxmlVisualView[,0,0,429x698,layout=java.awt.BorderLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=256,maximumSize=,minimumSize=,preferredSize=]
at org.openide.windows.TopComponent.setLookup(TopComponent.java:1171)
at org.openide.windows.TopComponent.associateLookup(TopComponent.java:1156)
at com.jaspersoft.ireport.designer.JrxmlVisualView.createElement(JrxmlVisualView.java:228)
at org.netbeans.core.multiview.MultiViewModel.getElementForDescription(MultiViewModel.java:206)
at org.netbeans.core.multiview.MultiViewModel.getActiveElement(MultiViewModel.java:127)
at org.netbeans.core.multiview.MultiViewModel.getActiveElement(MultiViewModel.java:123)
at org.netbeans.core.multiview.MultiViewPeer$SelectionListener.selectionActivatedByButton(MultiViewPeer.java:665)
at org.netbeans.core.multiview.MultiViewModel.fireActivateCurrent(MultiViewModel.java:253)
at org.netbeans.core.multiview.TabsComponent$ButtonMouseListener.mousePressed(TabsComponent.java:448)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
at java.awt.Component.processMouseEvent(Component.java:6123)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5891)
at java.awt.Container.processEvent(Container.java:2102)
at java.awt.Component.dispatchEventImpl(Component.java:4497)
at java.awt.Container.dispatchEventImpl(Container.java:2160)
at java.awt.Component.dispatchEvent(Component.java:4327)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4366)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4027)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3960)
at java.awt.Container.dispatchEventImpl(Container.java:2146)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4327)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:300)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:210)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:200)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:195)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:187)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)