2016-02-04 12:50:42,145 [ajp-nio2-8001-exec-5] ERROR OLATRuntimeException - OLAT::ERROR ^%^ N1-E9
https:
**RedScreen**
<dispatchinfo>
<componentinfo>
<compname>luTreeRun</compname>
<compclass>org.olat.core.gui.components.tree.MenuTree</compclass>
<extendedinfo>n/a</extendedinfo>
<event>
<class>org.olat.core.gui.components.tree.TreeEvent</class>
<command>ctncl</command>
<tostring>TreeEvent:{cmd:ctncl, nodeid:87888032544739}</tostring>
</event>
</componentinfo>
<controllerinfo>
<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:298)
at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:216)
at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:289)
at org.olat.core.servlets.OpenOLATServlet.doPost(OpenOLATServlet.java:232)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
>>> stack of 2.cause::java.lang.NullPointerException: null
-> at java.util.Hashtable.put(Hashtable.java:459)
at org.olat.course.nodes.basiclti.LTIRunController.createExchangeDataProperties(LTIRunController.java:209)
at org.olat.course.nodes.basiclti.LTIRunController.<init>(LTIRunController.java:143)
at org.olat.course.nodes.BasicLTICourseNode.createNodeRunConstructionResult(BasicLTICourseNode.java:117)
at org.olat.course.run.navigation.NavigationHandler.doEvaluateJumpTo(NavigationHandler.java:437)
at org.olat.course.run.navigation.NavigationHandler.evaluateJumpToTreeNode(NavigationHandler.java:272)
at org.olat.course.run.RunMainController.doNodeClick(RunMainController.java:617)
at org.olat.course.run.RunMainController.event(RunMainController.java:478)
at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:202)
at org.olat.core.gui.components.AbstractComponent$1.run(AbstractComponent.java:240)
at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)