Exception Trace:

!ENTRY org.eclipse.e4.ui.workbench 4 2 2015-05-28 14:02:56.218
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.e4.ui.workbench".
!STACK 0
java.lang.ClassCastException: edu.illinois.ncsa.ergo.core.reports.types.ReportTemplate cannot be cast to edu.illinois.ncsa.ergo.gis.types.GISMapLayer
at edu.illinois.ncsa.ergo.gis.vtk.actions.Set3d.selectionChanged(Set3d.java:87)
at org.eclipse.ui.internal.PluginAction.refreshEnablement(PluginAction.java:206)
at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:279)
at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:303)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:218)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.handleSelectionChanged(SelectionService.java:107)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.access$0(SelectionService.java:91)
at org.eclipse.ui.internal.e4.compatibility.SelectionService$1.selectionChanged(SelectionService.java:66)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$2.run(SelectionAggregator.java:125)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.notifyListeners(SelectionAggregator.java:122)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.access$5(SelectionAggregator.java:119)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$7$1.run(SelectionAggregator.java:232)
at org.eclipse.e4.core.contexts.RunAndTrack.runExternalCode(RunAndTrack.java:56)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$7.changed(SelectionAggregator.java:229)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:110)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:338)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:352)
at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.setSelection(SelectionServiceImpl.java:31)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.selectionChanged(CompatibilityPart.java:424)
at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:163)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2171)
at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1202)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1231)
at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:236)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:408)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at edu.illinois.ncsa.ergo.eq.rcp.Application.start(Application.java:39)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)

!ENTRY org.eclipse.e4.ui.workbench 4 0 2015-05-28 14:02:56.228
!MESSAGE
!STACK 0
java.lang.ClassCastException: edu.illinois.ncsa.ergo.core.reports.types.ReportTemplate cannot be cast to edu.illinois.ncsa.ergo.gis.types.GISMapLayer
at edu.illinois.ncsa.ergo.gis.vtk.actions.Set3d.selectionChanged(Set3d.java:87)
at org.eclipse.ui.internal.PluginAction.refreshEnablement(PluginAction.java:206)
at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:279)
at org.eclipse.ui.internal.PluginAction.selectionChanged(PluginAction.java:303)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:218)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.handleSelectionChanged(SelectionService.java:107)
at org.eclipse.ui.internal.e4.compatibility.SelectionService.access$0(SelectionService.java:91)
at org.eclipse.ui.internal.e4.compatibility.SelectionService$1.selectionChanged(SelectionService.java:66)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$2.run(SelectionAggregator.java:125)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.notifyListeners(SelectionAggregator.java:122)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator.access$5(SelectionAggregator.java:119)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$7$1.run(SelectionAggregator.java:232)
at org.eclipse.e4.core.contexts.RunAndTrack.runExternalCode(RunAndTrack.java:56)
at org.eclipse.e4.ui.internal.workbench.SelectionAggregator$7.changed(SelectionAggregator.java:229)
at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:110)
at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:338)
at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:352)
at org.eclipse.e4.ui.internal.workbench.SelectionServiceImpl.setSelection(SelectionServiceImpl.java:31)
at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.selectionChanged(CompatibilityPart.java:424)
at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:163)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2171)
at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1202)
at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1231)
at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:236)
at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:408)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at edu.illinois.ncsa.ergo.eq.rcp.Application.start(Application.java:39)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)

Steps to reproduce:
See attached .gif