[ANN] GenerateToString generate exception

Systematic exception on attempting to use it (build 1174).

java.lang.NullPointerException

at org.intellij.idea.plugin.tostring.GenerateToStringAction$GenerateToStringHandler.executeWriteAction(GenerateToStringAction.java:106)

at com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler$1.run(EditorWriteActionHandler.java:2)

at com.intellij.openapi.application.a.b.runWriteAction(b.java:132)

at com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler.execute(EditorWriteActionHandler.java:2)

at com.intellij.openapi.editor.actionSystem.EditorAction$1.run(EditorAction.java:2)

at com.intellij.openapi.command.impl.a.executeCommand(a.java:5)

at com.intellij.openapi.editor.actionSystem.EditorAction.actionPerformed(EditorAction.java:26)

at com.intellij.openapi.editor.actionSystem.EditorAction.actionPerformed(EditorAction.java:9)

at com.intellij.openapi.actionSystem.b.n$b_.actionPerformed(n$b_.java:13)

at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)

at com.intellij.openapi.actionSystem.b.n.fireActionPerformed(n.java:30)

at com.intellij.ui.b.a.h.doClick(h.java:134)

at com.intellij.ui.b.a.h.access$300(h.java:122)

at com.intellij.ui.b.a.h$a_.mouseReleased(h$a_.java:6)

at java.awt.Component.processMouseEvent(Component.java:5100)

at java.awt.Component.processEvent(Component.java:4897)

at java.awt.Container.processEvent(Container.java:1569)

at java.awt.Component.dispatchEventImpl(Component.java:3615)

at java.awt.Container.dispatchEventImpl(Container.java:1627)

at java.awt.Component.dispatchEvent(Component.java:3477)

at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)

at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)

at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)

at java.awt.Container.dispatchEventImpl(Container.java:1613)

at java.awt.Window.dispatchEventImpl(Window.java:1606)

at java.awt.Component.dispatchEvent(Component.java:3477)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)

at com.intellij.ide.q.b(q.java:34)

at com.intellij.ide.q.a(q.java:136)

at com.intellij.ide.q.dispatchEvent(q.java:70)

at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)