Caused by: java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to java.lang.String
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	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.workspaces.project.ProjectsCatalogueManager._assignPopulationsAndManager(ProjectsCatalogueManager.java:897)
	at org.ametys.plugins.workspaces.project.ProjectsCatalogueManager.createProject(ProjectsCatalogueManager.java:712)
	at org.ametys.plugins.workspaces.project.ProjectsCatalogueManager.createProject(ProjectsCatalogueManager.java:666)
	... 125 more