RS details of QTI 2.1 in resource assessment tool

2017-01-20 13:29:35,322 [ajp-nio2-8026-exec-2] ERROR OLATRuntimeException - OLAT::ERROR ^%^ N26-E47 ^%^ org.olat.core.logging 

https://xyz.olat.com/auth/RepositoryEntry/162955267/TestStatistics/0/NotPassed/0
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0 ^%^ **RedScreen**

<dispatchinfo>
	<componentinfo>
		<compname>ffo_main_identity_element</compname>
		<compclass>org.olat.core.gui.components.form.flexible.impl.FormWrapperContainer</compclass>
		<extendedinfo>n/a</extendedinfo>
		<event>
			<class&gt;org.olat.core.gui.components.form.flexible.impl.elements.table.SelectionEvent</class&gt;
			<command>select</command>
			<tostring>com:select,org.olat.core.gui.components.form.flexible.impl.elements.table.SelectionEvent@c9ff351b</tostring>
		</event>
	</componentinfo>
	<controllerinfo>
		<controllername>org.olat.modules.assessment.ui.AssessedIdentityListController</controllername>
		<controllername>org.olat.modules.assessment.ui.AssessmentToolController</controllername>
		<controllername>org.olat.ims.qti21.ui.QTI21RuntimeController</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:548)
   at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:241)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
   at org.olat.dispatcher.AuthenticatedDispatcher.processValidDispatchURI(AuthenticatedDispatcher.java:273)
   at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:190)
   at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:292)
   at org.olat.core.servlets.OpenOLATServlet.doPost(OpenOLATServlet.java:235)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
>>> stack of 2.cause::java.lang.NullPointerException: null
-> at org.olat.ims.qti21.ui.QTI21AssessmentDetailsController.initForm(QTI21AssessmentDetailsController.java:155)
   at org.olat.core.gui.components.form.flexible.impl.FormBasicController.initForm(FormBasicController.java:280)
   at org.olat.ims.qti21.ui.QTI21AssessmentDetailsController.<init>(QTI21AssessmentDetailsController.java:144)
   at org.olat.ims.qti21.repository.handlers.QTI21AssessmentTestHandler.createAssessmentDetailsController(QTI21AssessmentTestHandler.java:430)
   at org.olat.modules.assessment.ui.AssessedIdentityRepositoryEntryController.<init>(AssessedIdentityRepositoryEntryController.java:78)
   at org.olat.modules.assessment.ui.AssessedIdentityListController.doSelect(AssessedIdentityListController.java:424)
   at org.olat.modules.assessment.ui.AssessedIdentityListController.formInnerEvent(AssessedIdentityListController.java:368)
   at org.olat.core.gui.components.form.flexible.impl.FormBasicController.event(FormBasicController.java:430)
   at org.olat.modules.assessment.ui.AssessedIdentityListController.event(AssessedIdentityListController.java:338)
   at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:202)
   at org.olat.core.gui.components.AbstractComponent$1.run(AbstractComponent.java:240)