Index: lams_learning/src/java/org/lamsfoundation/lams/learning/service/LearnerService.java
===================================================================
diff -u -rda9d623352f3964daa5fe12f81a683b9377d286a -r4a197b8d9fc40820ac1069f737aefc26babb315b
--- lams_learning/src/java/org/lamsfoundation/lams/learning/service/LearnerService.java	(.../LearnerService.java)	(revision da9d623352f3964daa5fe12f81a683b9377d286a)
+++ lams_learning/src/java/org/lamsfoundation/lams/learning/service/LearnerService.java	(.../LearnerService.java)	(revision 4a197b8d9fc40820ac1069f737aefc26babb315b)
@@ -1511,14 +1511,16 @@
 			Lesson lesson = getLessonByActivity(activity);
 			LearnerProgress learnerProgress = getProgress(learnerId, lesson.getLessonId());
 
-			int completedSubactivities = 0;
-			for (Activity subactivity : (Set<Activity>) parentOptionsActivity.getActivities()) {
-			    if (LearnerProgress.ACTIVITY_COMPLETED == learnerProgress.getProgressState(subactivity)) {
-				completedSubactivities++;
+			if (learnerProgress != null) {
+			    int completedSubactivities = 0;
+			    for (Activity subactivity : (Set<Activity>) parentOptionsActivity.getActivities()) {
+				if (LearnerProgress.ACTIVITY_COMPLETED == learnerProgress.getProgressState(subactivity)) {
+				    completedSubactivities++;
+				}
 			    }
-			}
 
-			isLast = completedSubactivities == parentOptionsActivity.getMaxNumberOfOptionsNotNull() - 1;
+			    isLast = completedSubactivities == parentOptionsActivity.getMaxNumberOfOptionsNotNull() - 1;
+			}
 		    }
 		} else if (parentActivity.isBranchingActivity() || parentActivity.isParallelActivity()) {
 		    isLast = parentPosition.getLast() && isActivityLast(activity);