RS in FIB editor after switching to Score Tab

ERROR OLATRuntimeException  - OLAT::ERROR ^%^ N13-E38 ^%^ org.olat.core.logging ^%^ frentix ^%^ 212.25.11.24 ^%^ https://eduservices.frentix.com/auth/RepositoryEntry/171704337/Editor/0 ^%^ Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/602.4.8 (KHTML, like Gecko) Version/10.0.3 Safari/602.4.8
**RedScreen** Duplicate key org.olat.ims.qti21.ui.editor.interactions.FIBScoreController$TextEntryWrapper@2e0f51e1

<dispatchinfo>
	<componentinfo>
		<compname>itemTabs</compname>
		<compclass>org.olat.core.gui.components.tabbedpane.TabbedPane</compclass>
		<extendedinfo>selectedPane:1</extendedinfo>
		<event>
			<class&gt;org.olat.core.gui.components.tabbedpane.TabbedPaneChangedEvent</class&gt;
			<command>tabChanged</command>
			<tostring>com:tabChanged,org.olat.core.gui.components.tabbedpane.TabbedPaneChangedEvent@32ac797e</tostring>
		</event>
	</componentinfo>
	<controllerinfo>
		<controllername>org.olat.ims.qti21.ui.editor.AssessmentItemEditorController</controllername>
		<controllername>org.olat.ims.qti21.ui.editor.AssessmentTestComposerController</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: Duplicate key org.olat.ims.qti21.ui.editor.interactions.FIBScoreController$TextEntryWrapper@2e0f51e1
-> at org.olat.core.gui.exception.ExceptionWindowController.<init>(ExceptionWindowController.java:116)
   at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:57)
   at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:46)
   at org.olat.core.gui.components.Window.dispatchRequest(Window.java:548)
   at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:241)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
   at org.olat.dispatcher.AuthenticatedDispatcher.processValidDispatchURI(AuthenticatedDispatcher.java:273)
   at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:190)
   at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:292)
   at org.olat.core.servlets.OpenOLATServlet.doPost(OpenOLATServlet.java:235)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
>>>stack of 2.cause::java.lang.IllegalStateException: Duplicate key org.olat.ims.qti21.ui.editor.interactions.FIBScoreController$TextEntryWrapper@2e0f51e1
-> at java.util.stream.Collectors.lambda$throwingMerger$0(Collectors.java:133)
   at java.util.HashMap.merge(HashMap.java:1253)
   at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1320)
   at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
   at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
   at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
   at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
   at org.olat.ims.qti21.ui.editor.interactions.FIBScoreController.sync(FIBScoreController.java:147)