Caused by: java.lang.NullPointerException
	at org.ametys.plugins.core.user.UserHelper.saxUser(UserHelper.java:398)
	at org.ametys.plugins.workspaces.project.generators.ProjectsCatalogueGenerator.lambda$_saxProject$2(ProjectsCatalogueGenerator.java:290)
	at org.ametys.core.util.LambdaUtils.lambda$wrapConsumer$1(LambdaUtils.java:142)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.ametys.plugins.workspaces.project.generators.ProjectsCatalogueGenerator._saxProject(ProjectsCatalogueGenerator.java:290)
	at org.ametys.plugins.workspaces.project.generators.ProjectsCatalogueGenerator._saxTree(ProjectsCatalogueGenerator.java:204)
	at org.ametys.plugins.workspaces.project.generators.ProjectsCatalogueGenerator._saxCategory(ProjectsCatalogueGenerator.java:226)
	at org.ametys.plugins.workspaces.project.generators.ProjectsCatalogueGenerator._saxTree(ProjectsCatalogueGenerator.java:211)
	at org.ametys.plugins.workspaces.project.generators.ProjectsCatalogueGenerator.generate(ProjectsCatalogueGenerator.java:160)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:581)
	... 65 more