Caused by: java.lang.NullPointerException
at org.ametys.core.util.cocoon.AbstractCurrentUserProviderServiceableAction._getCurrentUser(AbstractCurrentUserProviderServiceableAction.java:64)
at org.ametys.plugins.pagesubscription.PageSubscribeAction.act(PageSubscribeAction.java:134)
at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:120)
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)
Seem to be OK