RS: duplicate assessment entry in my courses

https://xyz.ch/dmz/1%3A1%3Aomain_loging%3A1%3A0%3Acid%3Alogin%3Alp%3AOLAT%3A_csrf%3A68659194-8443-4595-9692-9ec1474471c2/
Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko ^%^ ExceptionWindowController<init>: Throwable occurred, logging the full stacktrace: java.lang.IllegalStateException: Duplicate key org.olat.modules.assessment.model.AssessmentEntryScoringImpl@38cda898
 at java.util.stream.Collectors.lambda$throwingMerger$0(Collectors.java:133)
 at java.util.HashMap.merge(HashMap.java:1254)
 at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1320)
 at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
 at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
 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.repository.manager.RepositoryEntryMyCourseQueries.searchViews(RepositoryEntryMyCourseQueries.java:143)
 at org.olat.repository.manager.RepositoryServiceImpl.searchMyView(RepositoryServiceImpl.java:825)
 at org.olat.repository.ui.list.DefaultRepositoryEntryDataSource.getRows(DefaultRepositoryEntryDataSource.java:132)
 at org.olat.core.gui.components.form.flexible.impl.elements.table.DefaultFlexiTableDataSourceModel.loadDatas(DefaultFlexiTableDataSourceModel.java:214)
 at org.olat.core.gui.components.form.flexible.impl.elements.table.DefaultFlexiTableDataSourceModel.load(DefaultFlexiTableDataSourceModel.java:183)
 at org.olat.core.gui.components.form.flexible.impl.elements.table.FlexiTableElementImpl.reloadData(FlexiTableElementImpl.java:1857)
 at org.olat.repository.ui.list.RepositoryEntryListController.<init>(RepositoryEntryListController.java:161)
 at org.olat.repository.ui.list.OverviewRepositoryListController.doOpenMyCourses(OverviewRepositoryListController.java:325)
 at org.olat.repository.ui.list.OverviewRepositoryListController.activate(OverviewRepositoryListController.java:176)
 at org.olat.core.commons.fullWebApp.BaseFullWebappController.activateSite(BaseFullWebappController.java:855)
 at org.olat.core.commons.fullWebApp.BaseFullWebappController.initializeDefaultSite(BaseFullWebappController.java:580)
 at org.olat.core.commons.fullWebApp.BaseFullWebappController.<init>(BaseFullWebappController.java:277)
 at org.olat.basesecurity.AuthHelper.createAuthHome(AuthHelper.java:216)
 at org.olat.basesecurity.AuthHelper.doLogin(AuthHelper.java:136)
 at org.olat.login.LoginAuthprovidersController.event(LoginAuthprovidersController.java:314)
 at org.olat.core.gui.control.DefaultController$1.run(DefaultController.java:250)
 at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)
 at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:247)
 at org.olat.core.gui.control.DefaultController.fireEvent(DefaultController.java:194)
 at org.olat.login.auth.AuthenticationController.authenticated(AuthenticationController.java:64)
 at org.olat.login.OLATAuthenticationController.event(OLATAuthenticationController.java:223)
 at org.olat.core.gui.control.DefaultController$1.run(DefaultController.java:250)
 at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)
 at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:247)
 at org.olat.core.gui.control.DefaultController.fireEvent(DefaultController.java:194)
 at org.olat.login.auth.OLATAuthentcationForm.formOK(OLATAuthentcationForm.java:89)
 at org.olat.core.gui.components.form.flexible.impl.FormBasicController.event(FormBasicController.java:389)
 at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:206)
 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.form.flexible.impl.FormWrapperContainer.fireValidation(FormWrapperContainer.java:124)
 at org.olat.core.gui.components.form.flexible.impl.Form.submit(Form.java:461)
 at org.olat.core.gui.components.form.flexible.impl.Form.submit(Form.java:448)
 at org.olat.core.gui.components.form.flexible.impl.elements.FormSubmit.dispatchFormRequest(FormSubmit.java:72)
 at org.olat.core.gui.components.form.flexible.impl.FormItemImpl.doDispatchFormRequest(FormItemImpl.java:561)
 at org.olat.core.gui.components.form.flexible.impl.Form.evalFormRequest(Form.java:316)
 at org.olat.core.gui.components.form.flexible.impl.FormWrapperContainer.doDispatchRequest(FormWrapperContainer.java:105)
 at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
 at org.olat.core.gui.components.Window.doDispatchToComponent(Window.java:1249)
 at org.olat.core.gui.components.Window.dispatchRequest(Window.java:715)
 at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:310)
 at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)
 at org.olat.dispatcher.DMZDispatcher.execute(DMZDispatcher.java:268)
 at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:269)
 at org.olat.core.servlets.OpenOLATServlet.doPost(OpenOLATServlet.java:216)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
 at org.olat.core.servlets.OpenOLATServlet.service(OpenOLATServlet.java:160)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.olat.core.servlets.HeadersFilter.doFilter(HeadersFilter.java:97)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
 at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:479)
 at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
 at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1699)
 at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
 at org.apache.tomcat.util.net.AbstractEndpoint.processSocket(AbstractEndpoint.java:1050)
 at org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$4.completed(Nio2Endpoint.java:630)
 at org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$4.completed(Nio2Endpoint.java:608)
 at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
 at sun.nio.ch.Invoker$2.run(Invoker.java:218)
 at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 at java.lang.Thread.run(Thread.java:748)