Index: lams_common/src/java/org/lamsfoundation/lams/lesson/dao/hibernate/LessonDAO.java
===================================================================
diff -u -r4a347e27e76d051dfb231810330b42d0b7295ded -r93b9fa85159d7fb8957de4f839273806a93a6df9
--- lams_common/src/java/org/lamsfoundation/lams/lesson/dao/hibernate/LessonDAO.java	(.../LessonDAO.java)	(revision 4a347e27e76d051dfb231810330b42d0b7295ded)
+++ lams_common/src/java/org/lamsfoundation/lams/lesson/dao/hibernate/LessonDAO.java	(.../LessonDAO.java)	(revision 93b9fa85159d7fb8957de4f839273806a93a6df9)
@@ -65,6 +65,7 @@
 	private final static String LESSONS_WITH_ORIGINAL_LEARNING_DESIGN = "select l from "
 		+ Lesson.class.getName() + " l "
 		+ "where l.learningDesign.originalLearningDesign.learningDesignId = ? "
+		+ "and l.learningDesign.copyTypeID != " + LearningDesign.COPY_TYPE_PREVIEW + " "
 		+ "and l.lessonStateId = " + Lesson.STARTED_STATE
 		+ " order by l.lessonName";