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Unpack EndNote Filter Set not working in v2.6

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Endote import broken? Or idiots guide please?

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java.lang.NullPointerException: 	at net.sf.jabref.net.URLDownload.download(URLDownload.java:95)	at net.sf.jabref.util.ResourceExtractor.run(ResourceExtractor.java:45)	at net.sf.jabref.export.ExpandEndnoteFilters.run(ExpandEndnoteFilters.java:71)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at spin.Invocation.evaluate(Invocation.java:175)	at spin.off.SpinOffEvaluator$1.run(SpinOffEvaluator.java:108)	at java.lang.Thread.run(Thread.java:619)