NPE in HippoAccessManager

Inspecting the logs of the connect I ran across the following error:
Caused by: java.lang.NullPointerException
at org.hippoecm.repository.security.HippoAccessManager.getItemState(HippoAccessManager.java:1094)
at org.hippoecm.repository.security.HippoAccessManager.canRead(HippoAccessManager.java:521)
at org.hippoecm.repository.security.HippoAccessManager.canRead(HippoAccessManager.java:1235)
at org.apache.jackrabbit.core.ItemManager.canRead(ItemManager.java:438)
at org.apache.jackrabbit.core.ItemManager.createItemData(ItemManager.java:848)
at org.apache.jackrabbit.core.ItemManager.getItemData(ItemManager.java:391)
at org.apache.jackrabbit.core.ItemManager.getNode(ItemManager.java:669)
at org.apache.jackrabbit.core.ItemManager.getNode(ItemManager.java:647)
at org.apache.jackrabbit.core.LazyItemIterator.prefetchNext(LazyItemIterator.java:120)
at org.apache.jackrabbit.core.LazyItemIterator.next(LazyItemIterator.java:257)
at org.hippoecm.repository.decorating.RangeIteratorDecorator.next(RangeIteratorDecorator.java:112)
at org.hippoecm.repository.decorating.NodeIteratorDecorator.nextNode(NodeIteratorDecorator.java:54)
at org.hippoecm.frontend.plugin.config.impl.JcrClusterConfig$PluginList.loadPlugins(JcrClusterConfig.java:112)
at org.hippoecm.frontend.plugin.config.impl.JcrClusterConfig$PluginList.<init>(JcrClusterConfig.java:104)
at org.hippoecm.frontend.plugin.config.impl.JcrClusterConfig.<init>(JcrClusterConfig.java:281)
at org.hippoecm.frontend.plugin.config.impl.JcrConfigServiceFactory.getCluster(JcrConfigServiceFactory.java:72)
at org.hippoecm.frontend.plugin.config.impl.JcrConfigServiceFactory.getDefaultCluster(JcrConfigServiceFactory.java:130)
at org.hippoecm.frontend.plugin.config.impl.PluginConfigFactory.getDefaultCluster(PluginConfigFactory.java:55)
at org.hippoecm.frontend.PluginPage.<init>(PluginPage.java:93)
at org.hippoecm.frontend.PluginPage.<init>(PluginPage.java:64)