Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/web/action/AuthoringAction.java
===================================================================
diff -u -r3399163940c61c9132223c758d274486e57ff9b7 -r23bb9654e96c06d79cd639a55e7d1af82cf678a8
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 3399163940c61c9132223c758d274486e57ff9b7)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 23bb9654e96c06d79cd639a55e7d1af82cf678a8)
@@ -368,6 +368,13 @@
 	} else {
 	    Long uid = assessmentPO.getUid();
 	    PropertyUtils.copyProperties(assessmentPO, assessment);
+
+	    // copyProperties() above may result in "collection assigned to two objects in a session" exception
+	    // Below we remove reference to one of Assessment objects,
+	    // so maybe there will be just one object in session when save is done
+	    // If this fails, we may have to evict the object from session using DAO
+	    assessmentForm.setAssessment(null);
+	    assessment = null;
 	    // set back UID
 	    assessmentPO.setUid(uid);
 
@@ -471,7 +478,7 @@
 	questionForm.setContentFolderID(contentFolderID);
 	questionForm.setDefaultGrade("1");
 	questionForm.setPenaltyFactor("0");
-	questionForm.setAnswerRequired(false);
+	questionForm.setAnswerRequired(true);
 
 	List<AssessmentQuestionOption> optionList = new ArrayList<AssessmentQuestionOption>();
 	for (int i = 0; i < AssessmentConstants.INITIAL_OPTIONS_NUMBER; i++) {
Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java
===================================================================
diff -u -r2f725f8ef2aa09a2663b2335bf67213074426d11 -r23bb9654e96c06d79cd639a55e7d1af82cf678a8
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 2f725f8ef2aa09a2663b2335bf67213074426d11)
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java	(.../AuthoringAction.java)	(revision 23bb9654e96c06d79cd639a55e7d1af82cf678a8)
@@ -541,6 +541,13 @@
 	    if (mode.isAuthor()) {
 		Long uid = resourcePO.getUid();
 		PropertyUtils.copyProperties(resourcePO, resource);
+
+		// copyProperties() above may result in "collection assigned to two objects in a session" exception
+		// Below we remove reference to one of Assessment objects,
+		// so maybe there will be just one object in session when save is done
+		// If this fails, we may have to evict the object from session using DAO
+		resourceForm.setResource(null);
+		resource = null;
 		// get back UID
 		resourcePO.setUid(uid);
 	    } else { // if it is Teacher, then just update basic tab content