2017-08-09 16:17:14,921  ERROR [impl.lucene.ADMLuceneIndexerImpl] [DefaultScheduler_Worker-6] FTS index of workspace://SpacesStore/b45d7c7d-a15f-421b-8df7-fd3265e4b09c failed. Reindexing without FTS
 org.springframework.dao.ConcurrencyFailureException: Possible cache integrity issue during reindexing; nested exception is org.alfresco.service.cmr.repository.InvalidNodeRefException: Node does not exist: workspace://SpacesStore/b45d7c7d-a15f-421b-8df7-fd3265e4b09c