processing.app.debug.RunnerException: unexpected token: void
  at processing.app.Sketch.preprocess(Sketch.java:1362)
  at processing.app.Sketch.build(Sketch.java:1471)
  at processing.app.Sketch.compile(Sketch.java:1172)
  at processing.app.Editor.handleRun(Editor.java:1564)
  at processing.app.EditorToolbar.mousePressed(EditorToolbar.java:318)
  at java.awt.Component.processMouseEvent(Component.java:5580)
  at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
  at java.awt.Component.processEvent(Component.java:5348)
  at java.awt.Container.processEvent(Container.java:2010)
  at java.awt.Component.dispatchEventImpl(Component.java:4050)
  at java.awt.Container.dispatchEventImpl(Container.java:2068)
  at java.awt.Component.dispatchEvent(Component.java:3885)
  at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)
  at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3933)
  at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866)
  at java.awt.Container.dispatchEventImpl(Container.java:2054)
  at java.awt.Window.dispatchEventImpl(Window.java:1791)
  at java.awt.Component.dispatchEvent(Component.java:3885)
  at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
  at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
  at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
processing.app.debug.RunnerException: unexpected token: void
  at processing.app.Sketch.preprocess(Sketch.java:1362)
  at processing.app.Sketch.build(Sketch.java:1471)
  at processing.app.Sketch.compile(Sketch.java:1172)
  at processing.app.Editor.handleRun(Editor.java:1564)
  at processing.app.EditorToolbar.mousePressed(EditorToolbar.java:318)
  at java.awt.Component.processMouseEvent(Component.java:5580)
  at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
  at java.awt.Component.processEvent(Component.java:5348)
  at java.awt.Container.processEvent(Container.java:2010)
  at java.awt.Component.dispatchEventImpl(Component.java:4050)
  at java.awt.Container.dispatchEventImpl(Container.java:2068)
  at java.awt.Component.dispatchEvent(Component.java:3885)
  at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)
  at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3933)
  at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866)
  at java.awt.Container.dispatchEventImpl(Container.java:2054)
  at java.awt.Window.dispatchEventImpl(Window.java:1791)
  at java.awt.Component.dispatchEvent(Component.java:3885)
  at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
  at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
  at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)