Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/service/AssessmentServiceImpl.java
===================================================================
diff -u -r1a5446e3a1f962f1bb831c1bbaef14acf9d3635c -ra526efa07d1684c564c2d9c39833f869a263bb3b
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/service/AssessmentServiceImpl.java	(.../AssessmentServiceImpl.java)	(revision 1a5446e3a1f962f1bb831c1bbaef14acf9d3635c)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/service/AssessmentServiceImpl.java	(.../AssessmentServiceImpl.java)	(revision a526efa07d1684c564c2d9c39833f869a263bb3b)
@@ -568,10 +568,12 @@
     public AssessmentResult getUserMasterDetail(Long sessionId, Long userId) {
 	AssessmentResult lastFinishedResult = assessmentResultDao.getLastFinishedAssessmentResultBySessionId(sessionId,
 		userId);
-	SortedSet questionResults = new TreeSet(new AssessmentQuestionResultComparator());
-	questionResults.addAll(lastFinishedResult.getQuestionResults());
-	lastFinishedResult.setQuestionResults(questionResults);
-	escapeQuotes(lastFinishedResult);
+	if (lastFinishedResult != null) {
+	    SortedSet questionResults = new TreeSet(new AssessmentQuestionResultComparator());
+	    questionResults.addAll(lastFinishedResult.getQuestionResults());
+	    lastFinishedResult.setQuestionResults(questionResults);
+	    escapeQuotes(lastFinishedResult);
+	}
 
 	return lastFinishedResult;
     }
Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/web/action/MonitoringAction.java
===================================================================
diff -u -rfaf1d8e70be87d6f9d13c26f129f5e739ce41484 -ra526efa07d1684c564c2d9c39833f869a263bb3b
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/web/action/MonitoringAction.java	(.../MonitoringAction.java)	(revision faf1d8e70be87d6f9d13c26f129f5e739ce41484)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/web/action/MonitoringAction.java	(.../MonitoringAction.java)	(revision a526efa07d1684c564c2d9c39833f869a263bb3b)
@@ -134,7 +134,7 @@
 	AssessmentResult result = service.getUserMasterDetail(sessionId, userId);
 
 	request.setAttribute(AssessmentConstants.ATTR_ASSESSMENT_RESULT, result);
-	return mapping.findForward(AssessmentConstants.SUCCESS);
+	return (result == null) ? null : mapping.findForward(AssessmentConstants.SUCCESS);
     }
 
     private ActionForward questionSummary(ActionMapping mapping, ActionForm form, HttpServletRequest request,