Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
	at org.ametys.web.repository.page.actions.SetFilterInRequestAttributesAction._getSortList(SetFilterInRequestAttributesAction.java:294)
	at org.ametys.web.repository.page.actions.SetFilterInRequestAttributesAction._getFilterFromParams(SetFilterInRequestAttributesAction.java:211)
	at org.ametys.web.repository.page.actions.SetFilterInRequestAttributesAction.act(SetFilterInRequestAttributesAction.java:133)
	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)