Window/Capture View.... throws null pointer

[bdionne]

Regardless of which view one chooses

[1;31mUncaught Exception in thread 'AWT-EventQueue-0'�[0;39m 
java.lang.NullPointerException: null
    at org.protege.editor.core.ui.view.CaptureScreenshotAction.takeScreenCaptureOfCurrentView(CaptureScreenshotAction.java:62) ~[na:na]
    at org.protege.editor.core.ui.view.CaptureScreenshotAction.actionPerformed(CaptureScreenshotAction.java:45) ~[na:na]
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) ~[na:1.8.0_101]
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348) ~[na:1.8.0_101]
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) ~[na:1.8.0_101]
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) ~[na:1.8.0_101]
    at javax.swing.AbstractButton.doClick(AbstractButton.java:376) ~[na:1.8.0_101]
    at com.apple.laf.ScreenMenuItem.actionPerformed(ScreenMenuItem.java:125) ~[na:1.8.0_101]
    at java.awt.MenuItem.processActionEvent(MenuItem.java:669) ~[na:1.8.0_101]
    at java.awt.MenuItem.processEvent(MenuItem.java:628) ~[na:1.8.0_101]
    at java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:351) ~[na:1.8.0_101]
    at java.awt.MenuComponent.dispatchEvent(MenuComponent.java:339) ~[na:1.8.0_101]
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:761) ~[na:1.8.0_101]