java.lang.IllegalStateException: Type mismatch: ageForIntSorting was indexed with multiple values per document, use SORTED_SET instead
	at org.apache.lucene.uninverting.FieldCacheImpl$SortedDocValuesCache.createValue(FieldCacheImpl.java:679)
	at org.apache.lucene.uninverting.FieldCacheImpl$Cache.get(FieldCacheImpl.java:190)
	at org.apache.lucene.uninverting.FieldCacheImpl.getTermsIndex(FieldCacheImpl.java:647)
	at org.apache.lucene.uninverting.FieldCacheImpl.getTermsIndex(FieldCacheImpl.java:627)
	at org.apache.lucene.uninverting.UninvertingReader.getSortedDocValues(UninvertingReader.java:257)
	at org.apache.lucene.index.DocValues.getSorted(DocValues.java:262)
	at org.apache.lucene.search.FieldComparator$TermOrdValComparator.getSortedDocValues(FieldComparator.java:757)
	at org.apache.lucene.search.FieldComparator$TermOrdValComparator.getLeafComparator(FieldComparator.java:762)
	at org.apache.lucene.search.FieldValueHitQueue.getComparators(FieldValueHitQueue.java:183)
	at org.apache.lucene.search.TopFieldCollector$NonScoringCollector.getLeafCollector(TopFieldCollector.java:141)
	at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:762)
	at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:485)
	at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:473)
	at org.hibernate.search.query.engine.impl.LazyQueryState.search(LazyQueryState.java:100)
	at org.hibernate.search.query.engine.impl.QueryHits.updateTopDocs(QueryHits.java:250)
	at org.hibernate.search.query.engine.impl.QueryHits.<init>(QueryHits.java:145)
	at org.hibernate.search.query.engine.impl.QueryHits.<init>(QueryHits.java:123)
	at org.hibernate.search.query.engine.impl.HSQueryImpl.getQueryHits(HSQueryImpl.java:447)
	at org.hibernate.search.query.engine.impl.HSQueryImpl.queryEntityInfos(HSQueryImpl.java:268)