Bug in running an Annis query

[margaretha]

Kustvakt throws HTTP ERROR 500 java.lang.NullPointerException for the following query:

tt/l="bekommen" & tt/p="VVPP" & #1 .* #2 & #2 ->malt/d[func=/.*/] #1

Error log:

java.lang.NullPointerException
	at de.ids_mannheim.korap.query.SimpleSpanQuery.updateClone(SimpleSpanQuery.java:389)
	at de.ids_mannheim.korap.query.SimpleSpanQuery.rewrite(SimpleSpanQuery.java:329)
	at de.ids_mannheim.korap.KrillIndex.search(KrillIndex.java:1427)
	at de.ids_mannheim.korap.Krill.apply(Krill.java:305)
	at de.ids_mannheim.korap.Krill.apply(Krill.java:275)
	at de.ids_mannheim.korap.web.SearchKrill.search(SearchKrill.java:88)
	at de.ids_mannheim.korap.service.SearchService.search(SearchService.java:193)
	at de.ids_mannheim.korap.web.controller.SearchController.searchGet(SearchController.java:233)