RS self test course element if went from QTI 2.1 to 1.2

2017-09-05 17:38:24,820 [ajp-nio2-8079-exec-27] ERROR AssertException - OLAT::ERROR ^%^ N79-E29 ^%^ org.olat.core.logging
https://xyz.olat.com/auth/1%3A20%3A0%3A0%3A0/
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36 OPR/47.0.2631.71

**RedScreen** wrong confSummary

<dispatchinfo>
	<componentinfo>
		<compname>command.showResults</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>command.showResults</command>
			<tostring>com:command.showResults,org.olat.core.gui.control.Event@26ac1035</tostring>
		</event>
	</componentinfo>
	<controllerinfo>
		<controllername>org.olat.course.nodes.iq.IQRunController</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.AssertException: wrong confSummary
-> at org.olat.ims.qti.process.AssessmentInstance.getSummaryType(AssessmentInstance.java:388)
   at org.olat.course.nodes.iq.IQRunController.event(IQRunController.java:486)
   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)
   at org.olat.core.gui.components.AbstractComponent.fireEvent(AbstractComponent.java:238)
   at org.olat.core.gui.components.link.Link.dispatch(Link.java:200)
   at org.olat.core.gui.components.link.Link.doDispatchRequest(Link.java:187)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
   at org.olat.core.gui.components.Window.doDispatchToComponent(Window.java:1143)
   at org.olat.core.gui.components.Window.dispatchRequest(Window.java:358)
>>> stack of 2.cause::java.lang.Exception: assertionstackgenerator
-> at org.olat.core.logging.AssertException.<init>(AssertException.java:53)
   at org.olat.ims.qti.process.AssessmentInstance.getSummaryType(AssessmentInstance.java:388)
   at org.olat.course.nodes.iq.IQRunController.event(IQRunController.java:486)
   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)
   at org.olat.core.gui.components.AbstractComponent.fireEvent(AbstractComponent.java:238)
   at org.olat.core.gui.components.link.Link.dispatch(Link.java:200)
   at org.olat.core.gui.components.link.Link.doDispatchRequest(Link.java:187)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
   at org.olat.core.gui.components.Window.doDispatchToComponent(Window.java:1143)