Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/web/QaLearningStarterAction.java
===================================================================
diff -u -r1a02559e19419af9991eaeb9363f809355b39bc7 -r0d77d361b9de3231610850be31c7f3aab60d675b
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/web/QaLearningStarterAction.java	(.../QaLearningStarterAction.java)	(revision 1a02559e19419af9991eaeb9363f809355b39bc7)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/web/QaLearningStarterAction.java	(.../QaLearningStarterAction.java)	(revision 0d77d361b9de3231610850be31c7f3aab60d675b)
@@ -159,7 +159,8 @@
 	Map<Integer, QaQuestionDTO> mapQuestions = new TreeMap<Integer, QaQuestionDTO>();
 
 	String httpSessionID = qaLearningForm.getHttpSessionID();
-	SessionMap<String, Object> sessionMap = (SessionMap<String, Object>) request.getSession().getAttribute(httpSessionID);
+	SessionMap<String, Object> sessionMap = httpSessionID == null ? null : (SessionMap<String, Object>) request
+		.getSession().getAttribute(httpSessionID);
 	if (sessionMap == null) {
 	    sessionMap = new SessionMap<String, Object>();
 	    Map mapSequentialAnswers = new HashMap();