Could not able to run sample program. Throwing out the following error. Need help!

[dinezhr]

<p>java.lang.IllegalArgumentException: Wrong type at constant pool index at sun.reflect.ConstantPool.getClassAt0(Native Method) at sun.reflect.ConstantPool.getClassAt(Unknown Source) at sun.reflect.annotation.AnnotationParser.parseAnnotation(Unknown Source) at sun.reflect.annotation.AnnotationParser.parseAnnotations(Unknown Source) at java.lang.Class.initAnnotationsIfNecessary(Unknown Source) at java.lang.Class.getDeclaredAnnotations(Unknown Source) at com.softwarefx.sfxnet.System.Type.a(SourceFile:836) at com.softwarefx.sfxnet.internal.vj.a(SourceFile:12) at com.softwarefx.chartfx.desktop.internal.Chart.a(SourceFile:129) at com.softwarefx.chartfx.desktop.Chart.<init>(SourceFile:21) at Annotation.getChart1(Annotation.java:27) at Annotation.getJContentPane(Annotation.java:196) at Annotation.initialize(Annotation.java:79) at Annotation.<init>(Annotation.java:68) at Annotation$1.run(Annotation.java:56) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)</p>