javax.jcr.PathNotFoundException: ametys:null
	at org.apache.jackrabbit.core.NodeImpl$8.perform(NodeImpl.java:2167)
	at org.apache.jackrabbit.core.NodeImpl$8.perform(NodeImpl.java:2161)
	at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
	at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
	at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2161)
	at org.ametys.web.synchronization.SynchronizeContentUncommentedObserver._internalObserve(SynchronizeContentUncommentedObserver.java:78)
	at org.ametys.web.synchronization.AbstractSynchronizeObserver.observe(AbstractSynchronizeObserver.java:88)
	at org.ametys.core.observation.ObservationManager.notify(ObservationManager.java:115)
	at org.ametys.cms.repository.comment.ui.CommentClientSideElement.invalidateComments(CommentClientSideElement.java:536)