ERROR info.magnolia.cms.core.DefaultHierarchyManager    : java.lang.NullPointerException
javax.jcr.RepositoryException: java.lang.NullPointerException
	at org.modeshape.jcr.JcrSession.save(JcrSession.java:1158)
	at info.magnolia.jcr.wrapper.DelegateSessionWrapper.save(DelegateSessionWrapper.java:299)
	at info.magnolia.jcr.wrapper.DelegateSessionWrapper.save(DelegateSessionWrapper.java:299)
	at info.magnolia.jcr.wrapper.LastUpdateContentDecorator$LastUpdateSessionWrapper.save(LastUpdateContentDecorator.java:363)
	at info.magnolia.jcr.wrapper.DelegateSessionWrapper.save(DelegateSessionWrapper.java:299)
	at info.magnolia.jcr.wrapper.DelegateSessionWrapper.save(DelegateSessionWrapper.java:299)
	at info.magnolia.audit.MgnlAuditLoggingContentDecoratorSessionWrapper.save(MgnlAuditLoggingContentDecoratorSessionWrapper.java:82)
	at info.magnolia.cms.core.DefaultHierarchyManager.save(DefaultHierarchyManager.java:474)
	at info.magnolia.module.ModuleManagerImpl.saveChanges(ModuleManagerImpl.java:545)
	at info.magnolia.module.ModuleManagerImpl.applyDeltas(ModuleManagerImpl.java:527)
	at info.magnolia.module.ModuleManagerImpl.installOrUpdateModule(ModuleManagerImpl.java:494)
	at info.magnolia.module.ModuleManagerImpl$1.doExec(ModuleManagerImpl.java:277)
	at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:415)
	at info.magnolia.context.MgnlContext$VoidOp.exec(MgnlContext.java:412)
	at info.magnolia.context.MgnlContext.doInSystemContext(MgnlContext.java:386)
	at info.magnolia.module.ModuleManagerImpl.performInstallOrUpdate(ModuleManagerImpl.java:271)
	at info.magnolia.module.ui.ModuleManagerWebUI$2.run(ModuleManagerWebUI.java:127)
	at java.lang.Thread.run(Thread.java:695)
Caused by: java.lang.NullPointerException
	at org.modeshape.jcr.cache.PathCache.getPath(PathCache.java:46)
	at org.modeshape.jcr.cache.document.WritableSessionCache.persistChanges(WritableSessionCache.java:1127)
	at org.modeshape.jcr.cache.document.WritableSessionCache.save(WritableSessionCache.java:620)
	at org.modeshape.jcr.JcrSession.save(JcrSession.java:1141)
	... 17 more