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>org.olat.core.gui.control.Event</class>
<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)