Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/IMcUsrAttemptDAO.java
===================================================================
diff -u -re7cbd533f52ac2a431c09e7272b1f31769258022 -rb436dbb8397cdcbacaab50eec68b6427a5c6e1e9
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/IMcUsrAttemptDAO.java	(.../IMcUsrAttemptDAO.java)	(revision e7cbd533f52ac2a431c09e7272b1f31769258022)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/IMcUsrAttemptDAO.java	(.../IMcUsrAttemptDAO.java)	(revision b436dbb8397cdcbacaab50eec68b6427a5c6e1e9)
@@ -119,7 +119,7 @@
     /**
      * Checks whether anyone has attempted this assessment.
      */
-    boolean isMcContentAttempted(Long mcContentUid);
+    boolean isMcContentAttempted(long toolContentId);
 
     /**
      * Calculate what is the total mark scored by user in this activity. Only responseFinalised is taken into account.
Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/hibernate/McUsrAttemptDAO.java
===================================================================
diff -u -re7cbd533f52ac2a431c09e7272b1f31769258022 -rb436dbb8397cdcbacaab50eec68b6427a5c6e1e9
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/hibernate/McUsrAttemptDAO.java	(.../McUsrAttemptDAO.java)	(revision e7cbd533f52ac2a431c09e7272b1f31769258022)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/dao/hibernate/McUsrAttemptDAO.java	(.../McUsrAttemptDAO.java)	(revision b436dbb8397cdcbacaab50eec68b6427a5c6e1e9)
@@ -171,12 +171,12 @@
     }
 
     @Override
-    public boolean isMcContentAttempted(Long mcContentUid) {
-	final String IS_USER_ATTEMPT_EXIST_BY_MC_CONTENT = "select COUNT(*) > 0 FROM " + McUsrAttempt.class.getName()
-		+ " AS attempt WHERE attempt.qbToolQuestion.uid=:mcContentUid";
+    public boolean isMcContentAttempted(long toolContentId) {
+	final String IS_USER_ATTEMPT_EXIST_BY_TOOL_CONTENT = "select COUNT(*) > 0 FROM " + McUsrAttempt.class.getName()
+		+ " AS attempt WHERE attempt.qbToolQuestion.toolContentId=:toolContentId";
 
-	Query<Boolean> q = getSession().createQuery(IS_USER_ATTEMPT_EXIST_BY_MC_CONTENT, Boolean.class);
-	q.setParameter("mcContentUid", mcContentUid);
+	Query<Boolean> q = getSession().createQuery(IS_USER_ATTEMPT_EXIST_BY_TOOL_CONTENT, Boolean.class);
+	q.setParameter("toolContentId", toolContentId);
 	return q.uniqueResult();
     }
 
Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/web/controller/McController.java
===================================================================
diff -u -r8e97adb8dda2f984a9b43f71eacd9a5033244bff -rb436dbb8397cdcbacaab50eec68b6427a5c6e1e9
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/web/controller/McController.java	(.../McController.java)	(revision 8e97adb8dda2f984a9b43f71eacd9a5033244bff)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/web/controller/McController.java	(.../McController.java)	(revision b436dbb8397cdcbacaab50eec68b6427a5c6e1e9)
@@ -141,7 +141,7 @@
 	sessionMap.put(McAppConstants.LIST_DELETED_QUESTION_DTOS, listDeletedQuestionDTOs);
 
 	boolean isMcContentAttempted = mcContent.getUid() == null ? false
-		: mcService.isMcContentAttempted(mcContent.getUid());
+		: mcService.isMcContentAttempted(mcContent.getMcContentId());
 	sessionMap.put(McAppConstants.ATTR_IS_AUTHORING_RESTRICTED, isMcContentAttempted && mode.isTeacher());
 
 	return "authoring/AuthoringTabsHolder";