search: bad request is affiliation hasn't been crawled

[abmargb]

org.apache.mahout.cf.taste.common.NoSuchItemException: 27035
    at org.apache.mahout.cf.taste.impl.model.GenericBooleanPrefDataModel.getPreferencesForItem(GenericBooleanPrefDataModel.java:215)
    at org.apache.mahout.cf.taste.impl.model.jdbc.ReloadFromJDBCDataModel.getPreferencesForItem(ReloadFromJDBCDataModel.java:131)
    at org.apache.mahout.cf.taste.impl.recommender.PreferredItemsNeighborhoodCandidateItemsStrategy.doGetCandidateItems(PreferredItemsNeighborhoodCandidateItemsStrategy.java:35)
    at org.apache.mahout.cf.taste.impl.recommender.AbstractCandidateItemsStrategy.getCandidateItems(AbstractCandidateItemsStrategy.java:41)
    at com.buddycloud.channeldirectory.search.handler.common.mahout.ChannelRecommender.getSimilarChannels(ChannelRecommender.java:144)
    at com.buddycloud.channeldirectory.search.handler.similarity.SimilarityQueryHandler.findSimilarChannels(SimilarityQueryHandler.java:96)
    at com.buddycloud.channeldirectory.search.handler.similarity.SimilarityQueryHandler.handle(SimilarityQueryHandler.java:75)
    at com.buddycloud.channeldirectory.search.ChannelDirectoryComponent.handleIQGet(ChannelDirectoryComponent.java:105)
    at org.xmpp.component.AbstractComponent.processIQRequest(AbstractComponent.java:511)
    at org.xmpp.component.AbstractComponent.processIQ(AbstractComponent.java:289)
    at org.xmpp.component.AbstractComponent.processQueuedPacket(AbstractComponent.java:239)
    at org.xmpp.component.AbstractComponent.access$100(AbstractComponent.java:81)
    at org.xmpp.component.AbstractComponent$PacketProcessor.run(AbstractComponent.java:1051)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)