Caused by: org.ametys.plugins.repository.metadata.UnknownMetadataException: javax.jcr.PathNotFoundException: ametys:firstname
	at org.ametys.plugins.repository.metadata.jcr.JCRCompositeMetadata._getString(JCRCompositeMetadata.java:373)
	at org.ametys.plugins.repository.metadata.jcr.JCRCompositeMetadata.getString(JCRCompositeMetadata.java:338)
	at org.ametys.plugins.userdirectory.UserDirectoryPageHandler._getClassificationMetadata(UserDirectoryPageHandler.java:446)
	at org.ametys.plugins.userdirectory.UserDirectoryPageHandler.getTransformedClassificationMetadataValue(UserDirectoryPageHandler.java:282)
	at org.ametys.plugins.userdirectory.UserDirectoryPageHandler.lambda$_initializeCaches$2(UserDirectoryPageHandler.java:335)
	at org.ametys.plugins.userdirectory.UserDirectoryPageHandler$$Lambda$139/1079941432.apply(Unknown Source)
	at java.util.stream.Collectors.lambda$toMap$164(Collectors.java:1321)
	at java.util.stream.Collectors$$Lambda$40/328931831.accept(Unknown Source)
	at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
	at org.ametys.plugins.userdirectory.UserDirectoryPageHandler._initializeCaches(UserDirectoryPageHandler.java:333)
	at org.ametys.plugins.userdirectory.UserDirectoryPageHandler.getTransitionalPagesName(UserDirectoryPageHandler.java:299)
	at org.ametys.plugins.userdirectory.page.VirtualUserDirectoryPageFactory.getChildren(VirtualUserDirectoryPageFactory.java:100)
	at org.ametys.plugins.repository.AmetysObjectResolver.resolveVirtualChildren(AmetysObjectResolver.java:554)
	at org.ametys.plugins.repository.jcr.TraversableAmetysObjectHelper.getChildren(TraversableAmetysObjectHelper.java:226)
	at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObjectFactory.getChildren(DefaultTraversableAmetysObjectFactory.java:63)
	at org.ametys.plugins.repository.jcr.DefaultTraversableAmetysObject.getChildren(DefaultTraversableAmetysObject.java:74)
	at org.ametys.web.repository.page.jcr.DefaultPage.getChildrenPages(DefaultPage.java:555)
	at org.ametys.web.repository.page.jcr.DefaultPage.getChildrenPages(DefaultPage.java:548)
	at org.ametys.web.cocoon.SitemapAction.pagescontainer2json(SitemapAction.java:166)
	at org.ametys.web.cocoon.SitemapAction.act(SitemapAction.java:89)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:125)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
	at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:194)
	at org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:267)
	at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:111)
	... 95 more
Caused by: javax.jcr.PathNotFoundException: ametys:firstname
	at org.apache.jackrabbit.core.NodeImpl$11.perform(NodeImpl.java:2265)
	at org.apache.jackrabbit.core.NodeImpl$11.perform(NodeImpl.java:2252)
	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.getProperty(NodeImpl.java:2252)
	at org.ametys.plugins.repository.metadata.jcr.JCRCompositeMetadata._getString(JCRCompositeMetadata.java:351)
	... 132 more