PDE Error

PDE Error

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
	at javax.swing.ToolTipManager.initiateToolTip(ToolTipManager.java:478)
	at javax.swing.ToolTipManager.mouseEntered(ToolTipManager.java:435)
	at processing.mode.java.pdex.JavaTextArea$MouseHandler.mouseEntered(JavaTextArea.java:898)
	at java.awt.AWTEventMulticaster.mouseEntered(AWTEventMulticaster.java:300)
	at java.awt.AWTEventMulticaster.mouseEntered(AWTEventMulticaster.java:299)
	at java.awt.AWTEventMulticaster.mouseEntered(AWTEventMulticaster.java:299)
	at java.awt.AWTEventMulticaster.mouseEntered(AWTEventMulticaster.java:299)
	at java.awt.AWTEventMulticaster.mouseEntered(AWTEventMulticaster.java:299)
	at java.awt.Component.processMouseEvent(Component.java:6544)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
	at java.awt.Component.processEvent(Component.java:6300)
	at java.awt.Container.processEvent(Container.java:2236)
	at java.awt.Component.dispatchEventImpl(Component.java:4891)
	at java.awt.Container.dispatchEventImpl(Container.java:2294)
	at java.awt.Component.dispatchEvent(Component.java:4713)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
	at java.awt.LightweightDispatcher.retargetMouseEnterExit(Container.java:4676)
	at java.awt.LightweightDispatcher.trackMouseEnterExit(Container.java:4654)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4505)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
	at java.awt.Container.dispatchEventImpl(Container.java:2280)
	at java.awt.Window.dispatchEventImpl(Window.java:2750)
	at java.awt.Component.dispatchEvent(Component.java:4713)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
	at java.awt.EventQueue$4.run(EventQueue.java:731)
	at java.awt.EventQueue$4.run(EventQueue.java:729)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)