Caused by: java.lang.Exception: Unable to perform action: '3' for the workflow of instance id: '1' / content ''/ametys:plugins/odf/ametys:contents/program-fruai3182988bprh6yolddj' (programContent://67d3b292-04bb-4644-bfec-837f076c75e6)' / current step '2' / user 'UserIdentity [login=contrib, population=ametys-demo-users]'
	at org.ametys.plugins.workflow.cocoon.AbstractWorkflowAction._processWorkflowException(AbstractWorkflowAction.java:245)
	at org.ametys.cms.workflow.ContentWorkflowAction._processWorkflowException(ContentWorkflowAction.java:131)
	at org.ametys.plugins.workflow.cocoon.AbstractWorkflowAction.act(AbstractWorkflowAction.java:85)
	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.ActTypeNode.invoke(ActTypeNode.java:139)
	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)
	... 88 more
Caused by: com.opensymphony.workflow.WorkflowException: Could not load FunctionProvider class
	at com.opensymphony.workflow.AbstractWorkflow.executeFunction(AbstractWorkflow.java:867)
	at com.opensymphony.workflow.AbstractWorkflow.transitionWorkflow(AbstractWorkflow.java:1275)
	at org.ametys.plugins.workflow.AbstractAmetysWorkflow.transitionWorkflow(AbstractAmetysWorkflow.java:212)
	at com.opensymphony.workflow.AbstractWorkflow.doAction(AbstractWorkflow.java:567)
	at org.ametys.plugins.workflow.AbstractAmetysWorkflow.doAction(AbstractAmetysWorkflow.java:164)
	at org.ametys.cms.workflow.ContentWorkflowAction._act(ContentWorkflowAction.java:69)
	at org.ametys.plugins.workflow.cocoon.AbstractWorkflowAction.act(AbstractWorkflowAction.java:71)
	... 101 more