I was developing a part of my program that 
already worked so I backed up the files onto a 
cd and made the changes the changes didn't work 
so I replaced the new folder with the one from 
the cd
The backup worked but when running the project 
(every refresh I think) I receive the following 
error
//////////////////////////////////////////// 
Annotation: Exception occurred in Request 
Processor
java.util.NoSuchElementException
	at java.util.AbstractList$Itr.next
(AbstractList.java:426)
	at 
org.netbeans.modules.javacore.jmiimpl.javamodel.L
ightAttrList$LightAttrListIterator.next
(LightAttrList.java:432)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt$WMDRChangeListener.addElement
(OverrideAnnotationSupport.java:370)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt.findOverriddenMethods
(OverrideAnnotationSupport.java:268)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt.processOverriddenAnnotation
(OverrideAnnotationSupport.java:117)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt.processOverriddenAnnotationImpl
(OverrideAnnotationSupport.java:166)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt.access$300(OverrideAnnotationSupport.java:41)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt$Request.computeAnnotations
(OverrideAnnotationSupport.java:327)
	at 
org.netbeans.modules.java.OverrideAnnotationSuppo
rt$Request.run
(OverrideAnnotationSupport.java:314)
	at org.openide.util.Task.run
(Task.java:136)
	at 
org.openide.util.RequestProcessor$Task.run
(RequestProcessor.java:330)
[catch] at 
org.openide.util.RequestProcessor$Processor.run
(RequestProcessor.java:686)