com.opensymphony.workflow.FactoryException: Unknown workflow name "null"
	at com.opensymphony.workflow.loader.XMLWorkflowFactory.getWorkflow(XMLWorkflowFactory.java:57)
	at com.opensymphony.workflow.loader.AbstractWorkflowFactory.getWorkflow(AbstractWorkflowFactory.java:48)
	at org.ametys.plugins.workflow.SimpleConfiguration.getWorkflow(SimpleConfiguration.java:68)
	at com.opensymphony.workflow.AbstractWorkflow.initialize(AbstractWorkflow.java:595)
	at org.ametys.plugins.workflow.Workflow.initialize(Workflow.java:155)
	at org.ametys.plugins.odfsync.cdmfr.AbstractCDMFrManager.createContent(AbstractCDMFrManager.java:741)
	at org.ametys.plugins.odfsync.cdmfr.AbstractCDMFrManager.getOrCreatePerson(AbstractCDMFrManager.java:635)
	at org.ametys.plugins.odfsync.cdmfr.AbstractCDMFrManager.synchronizeMultipleMetadata(AbstractCDMFrManager.java:251)
	at org.ametys.plugins.odfsync.cdmfr.AbstractCDMFrManager.synchronizeMetadata(AbstractCDMFrManager.java:209)
	at org.ametys.plugins.odfsync.cdmfr.AbstractCDMFrManager.synchronizeContent(AbstractCDMFrManager.java:181)
	at org.ametys.plugins.odfsync.cdmfr.CDMFrSynchronizationManager.synchronizeProgram(CDMFrSynchronizationManager.java:273)
	at org.ametys.plugins.odfsync.cdmfr.CDMFrSynchronizationManager.synchronizeProgram(CDMFrSynchronizationManager.java:209)
	at org.ametys.plugins.odfsync.program.SynchronizeProgramAction.synchronizeContent(SynchronizeProgramAction.java:39)
	at org.ametys.plugins.odfsync.program.AbstractSynchronizationAction.act(AbstractSynchronizationAction.java:79)