/home/cms/Ametys_CMS/ametys_cms_home/logs/ametys-cms-2016-11-09.log <==
2016-11-09 08:07:26,671 ERROR 
[org.ametys.web.synchronization.SynchronizeContentValidationObserver] 
(AmetysRuntimeScheduler_Worker-1;) Unable to synchronize workspace 
with event: event[id: content.validated, issuer: UserIdentity 
[login=system-user, population=admin_population], args: [content = 
'/ametys:plugins/ametys:contentio/ametys:contents/people-gavory-en' 
(content://604a4521-b863-4912-9c4e-401e6c7ab82a)]]
javax.jcr.InvalidItemStateException: property 
/ametys:root/ametys:plugins/ametys:contentio/ametys:contents/30/92/people-gavory-en/ametys-internal:currentStepId: 
the property cannot be saved because it has been modified externally.
    at 
org.apache.jackrabbit.core.PropertyImpl.makePersistent(PropertyImpl.java:161)
    at 
org.apache.jackrabbit.core.ItemSaveOperation.persistTransientItems(ItemSaveOperation.java:849)
    at 
org.apache.jackrabbit.core.ItemSaveOperation.perform(ItemSaveOperation.java:243)
    at 
org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
    at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
    at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:329)
    at 
org.apache.jackrabbit.core.session.SessionSaveOperation.perform(SessionSaveOperation.java:65)
    at 
org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
    at 
org.apache.jackrabbit.core.SessionImpl.perform(SessionImpl.java:361)
    at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:812)
    at 
org.ametys.web.synchronization.SynchronizeContentValidationObserver._internalObserve(SynchronizeContentValidationObserver.java:87)
    at 
org.ametys.web.synchronization.AbstractSynchronizeObserver.observe(AbstractSynchronizeObserver.java:88)
    at 
org.ametys.core.observation.ObservationManager._observesEvent(ObservationManager.java:202)
    at 
org.ametys.core.observation.ObservationManager.notify(ObservationManager.java:146)
    at 
org.ametys.plugins.contentio.synchronize.workflow.ValidateSynchronizedContentFunction._notifyObservers(ValidateSynchronizedContentFunction.java:104)
    at 
org.ametys.plugins.contentio.synchronize.workflow.ValidateSynchronizedContentFunction.execute(ValidateSynchronizedContentFunction.java:90)
    at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at 
org.ametys.runtime.plugin.component.PluginsComponentManager$ComponentInvocationHandler.invoke(PluginsComponentManager.java:177)
    at com.sun.proxy.$Proxy34.execute(Unknown Source)
    at 
com.opensymphony.workflow.AbstractWorkflow.executeFunction(AbstractWorkflow.java:871)
    at 
com.opensymphony.workflow.AbstractWorkflow.transitionWorkflow(AbstractWorkflow.java:1275)
    at 
org.ametys.plugins.workflow.AbstractAmetysWorkflow.transitionWorkflow(AbstractAmetysWorkflow.java:209)
    at 
com.opensymphony.workflow.AbstractWorkflow.doAction(AbstractWorkflow.java:567)
    at 
org.ametys.plugins.workflow.AbstractAmetysWorkflow.doAction(AbstractAmetysWorkflow.java:164)
    at