java.lang.NullPointerException
	at org.netbeans.modules.form.JavaCodeGenerator.generateListenerAddCode(JavaCodeGenerator.java:1377)
	at org.netbeans.modules.form.JavaCodeGenerator.generateComponentEvents(JavaCodeGenerator.java:1360)
	at org.netbeans.modules.form.JavaCodeGenerator.addInitCode(JavaCodeGenerator.java:861)
	at org.netbeans.modules.form.JavaCodeGenerator.regenerateInitComponents(JavaCodeGenerator.java:696)
	at org.netbeans.modules.form.JavaCodeGenerator.access$900(JavaCodeGenerator.java:46)
	at org.netbeans.modules.form.JavaCodeGenerator$FormListener.formChanged(JavaCodeGenerator.java:2441)
	at org.netbeans.modules.form.FormModel.fireEvents(FormModel.java:821)
[catch] at org.netbeans.modules.form.FormModel$EventBroker.run(FormModel.java:892)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:201)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:231)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)