RS automatic task assignment

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0

**RedScreen**
<dispatchinfo>
	<componentinfo>
		<compname>nodeLink_91826637644025</compname>
		<compclass>org.olat.core.gui.components.link.Link</compclass>
		<extendedinfo>n/a</extendedinfo>
		<event>
			<class&gt;org.olat.core.gui.control.Event</class&gt;
			<command>nodeLink_91826637644025</command>
			<tostring>com:nodeLink_91826637644025,org.olat.core.gui.control.Event@6d0992d5</tostring>
		</event>
	</componentinfo>
	<controllerinfo>
		<controllername>org.olat.course.nodes.st.STPeekViewController</controllername>
		<controllername>org.olat.course.run.RunMainController</controllername>
		<controllername>org.olat.course.run.CourseRuntimeController</controllername>
		<controllername>org.olat.core.commons.fullWebApp.BaseFullWebappController</controllername>
	</controllerinfo>
</dispatchinfo>

>>> stack of 1.cause::org.olat.core.logging.OLATRuntimeException: null
-> at org.olat.core.gui.exception.ExceptionWindowController.<init>(ExceptionWindowController.java:116)
   at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:57)
   at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:46)
   at org.olat.core.gui.components.Window.dispatchRequest(Window.java:536)
   at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:234)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
   at org.olat.dispatcher.AuthenticatedDispatcher.processValidDispatchURI(AuthenticatedDispatcher.java:245)
   at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:201)
   at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:280)
   at org.olat.core.servlets.OpenOLATServlet.doGet(OpenOLATServlet.java:209)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
>>> stack of 2.cause::java.lang.NullPointerException: null
-> at org.olat.course.nodes.gta.ui.GTAAbstractController.<init>(GTAAbstractController.java:131)
   at org.olat.course.nodes.gta.ui.GTAAbstractController.<init>(GTAAbstractController.java:104)
   at org.olat.course.nodes.gta.ui.GTAParticipantController.<init>(GTAParticipantController.java:100)
   at org.olat.course.nodes.gta.ui.GTARunController.createRun(GTARunController.java:137)
   at org.olat.course.nodes.gta.ui.GTARunController.<init>(GTARunController.java:88)
   at org.olat.course.nodes.GTACourseNode.createNodeRunConstructionResult(GTACourseNode.java:651)
   at org.olat.course.run.navigation.NavigationHandler.doEvaluateJumpTo(NavigationHandler.java:426)
   at org.olat.course.run.navigation.NavigationHandler.evaluateJumpToCourseNode(NavigationHandler.java:128)
   at org.olat.course.run.RunMainController.updateTreeAndContent(RunMainController.java:411)
   at org.olat.course.run.RunMainController.updateTreeAndContent(RunMainController.java:399)
   at org.olat.course.run.RunMainController.event(RunMainController.java:548)