RS: use a deleted assessment test session

2017-10-03 13:14:49,956 [ajp-nio2-8010-exec-359] ERROR OLATRuntimeException - OLAT::ERROR ^%^ N10-E427 ^%^ org.olat.core.logging
https://xyz.openolat.com/auth/RepositoryEntry/96403547

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Safari/604.1.38 ^%^ **RedScreen** org.hibernate.exception.ConstraintViolationException: could not execute statement
 
 <dispatchinfo>
 	<componentinfo>
 		<compname>ffo_main_at_run</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.FormEvent</class&gt;
 			<command>done</command>
 			<tostring>com:done,org.olat.core.gui.components.form.flexible.impl.FormEvent@2f23a1</tostring>
 		</event>
 	</componentinfo>
 	<controllerinfo>
 		<controllername>org.olat.ims.qti21.ui.AssessmentTestDisplayController$QtiWorksController</controllername>
 		<controllername>org.olat.ims.qti21.ui.AssessmentTestDisplayController</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: org.hibernate.exception.ConstraintViolationException: could not execute statement
-> 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:549)
   at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:242)
   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::javax.persistence.PersistenceException: org.hibernate.exception.ConstraintViolationException: could not execute statement
-> at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:147)
   at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:155)
   at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:162)
   at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:787)
   at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:765)
   at org.olat.ims.qti21.manager.AssessmentItemSessionDAO.createAndPersistAssessmentItemSession(AssessmentItemSessionDAO.java:60)
   at org.olat.ims.qti21.manager.QTI21ServiceImpl.getOrCreateAssessmentItemSession(QTI21ServiceImpl.java:585)
   at org.olat.ims.qti21.ui.AssessmentTestDisplayController.handleResponse(AssessmentTestDisplayController.java:1012)
   at org.olat.ims.qti21.ui.AssessmentTestDisplayController.processQTIEvent(AssessmentTestDisplayController.java:625)
   at org.olat.ims.qti21.ui.AssessmentTestDisplayController.event(AssessmentTestDisplayController.java:459)
   at org.olat.core.gui.control.DefaultController$1.run(DefaultController.java:246)
>>> stack of 3.cause::org.hibernate.exception.ConstraintViolationException: could not execute statement
-> at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:112)
   at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
   at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:111)
   at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:97)
   at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:208)
   at org.hibernate.dialect.identity.GetGeneratedKeysDelegate.executeAndExtract(GetGeneratedKeysDelegate.java:57)
   at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:42)
   at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2909)
   at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3480)
   at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:81)
   at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:626)
>>> stack of 4.cause::org.postgresql.util.PSQLException: ERROR: insert or update on table "o_qti_assessmentitem_session" violates foreign key constraint "qti_itemsess_to_testsess_idx"