08-Nov-2018 20:21:14.219 ERROR [pool-5-thread-1] org.sakaiproject.lessonbuildertool.service.LessonBuilderEntityProducer.transferCopyEntitiesImpl 
java.lang.NullPointerException
	at org.sakaiproject.lessonbuildertool.tool.beans.OrphanPageFinder.loadOrphanedPages(OrphanPageFinder.java:79)
	at org.sakaiproject.lessonbuildertool.tool.beans.OrphanPageFinder.<init>(OrphanPageFinder.java:48)
	at org.sakaiproject.lessonbuildertool.tool.beans.SimplePageBean.getOrphanFinder(SimplePageBean.java:2838)
	at org.sakaiproject.lessonbuildertool.service.LessonBuilderEntityProducer.archive(LessonBuilderEntityProducer.java:546)
	at org.sakaiproject.lessonbuildertool.service.LessonBuilderEntityProducer.transferCopyEntitiesImpl(LessonBuilderEntityProducer.java:1383)
	at org.sakaiproject.lessonbuildertool.service.LessonBuilderEntityProducer.transferCopyEntitiesRefMigrator(LessonBuilderEntityProducer.java:1316)
	at org.sakaiproject.sitemanage.impl.SiteManageServiceImpl$1.doInTransactionWithoutResult(SiteManageServiceImpl.java:436)
	at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:34)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)
	at org.sakaiproject.sitemanage.impl.SiteManageServiceImpl.transferCopyEntities(SiteManageServiceImpl.java:431)
	at org.sakaiproject.sitemanage.impl.SiteManageServiceImpl.importToolsIntoSite(SiteManageServiceImpl.java:378)
	at org.sakaiproject.sitemanage.impl.SiteManageServiceImpl.lambda$importToolsIntoSiteThread$0(SiteManageServiceImpl.java:131)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)