NPE running streaming rule

[at055612]

Seen in 7.3

Caused by: java.lang.NullPointerException: Cannot invoke "stroom.search.extraction.FieldListConsumer.acceptStringValues(java.util.List)" because "this.fieldListConsumer" is null
	at stroom.search.extraction.ValueConsumerHolder.acceptStringValues(ValueConsumerHolder.java:26)
	at stroom.search.extraction.SearchResultOutputFilter.endElement(SearchResultOutputFilter.java:100)
	at net.sf.saxon.event.ContentHandlerProxy.endElement(ContentHandlerProxy.java:412)
	at net.sf.saxon.event.ProxyReceiver.endElement(ProxyReceiver.java:185)
	at net.sf.saxon.event.SequenceNormalizer.endElement(SequenceNormalizer.java:230)
	at net.sf.saxon.event.NamespaceReducer.endElement(NamespaceReducer.java:235)
	at net.sf.saxon.event.ComplexContentOutputter.endElement(ComplexContentOutputter.java:559)
	at net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.java:356)
	at net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.java:300)
	at net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule.java:352)

from View
eval cnt = count()
group by Feed
having cnt > 5000
select Feed, cnt

View is linked to Example (Index|Extraction)