2017-02-27 15:28:29,768 INFO  fo.magnolia.i18nsystem.DefaultMessageBundlesLoader: Starting monitoring of info.magnolia.resourceloader.layered.LayeredResourceOrigin@427fd0eb to load translation files
2017-02-27 15:28:39,324 ERROR info.magnolia.ui.contentapp.detail.DetailPresenter: An error occurred while executing an action.
info.magnolia.ui.api.action.ActionExecutionException: javax.jcr.nodetype.ConstraintViolationException: Unable to perform operation. Node is protected.
	at info.magnolia.ui.form.action.SaveFormAction.execute(SaveFormAction.java:92)
	at info.magnolia.ui.api.action.AbstractActionExecutor.execute(AbstractActionExecutor.java:62)
	at info.magnolia.ui.contentapp.detail.DetailPresenter.onActionFired(DetailPresenter.java:258)
	at info.magnolia.ui.dialog.actionarea.renderer.DefaultEditorActionRenderer$DefaultActionView$1.buttonClick(DefaultEditorActionRenderer.java:75)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:508)
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:198)
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:161)
	at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1008)
	at com.vaadin.ui.Button.fireClick(Button.java:377)
	at com.vaadin.ui.Button$1.click(Button.java:54)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:158)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:118)