Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/monitoringApplicationContext.xml
===================================================================
diff -u -r58daf95f59242b997de7f49a9d81ee9c1c104d5f -r683bf4251c56ab76b4eded4ff621fc9fc069ac21
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/monitoringApplicationContext.xml	(.../monitoringApplicationContext.xml)	(revision 58daf95f59242b997de7f49a9d81ee9c1c104d5f)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/monitoringApplicationContext.xml	(.../monitoringApplicationContext.xml)	(revision 683bf4251c56ab76b4eded4ff621fc9fc069ac21)
@@ -62,6 +62,7 @@
 				<prop key="createLessonClassForLesson">PROPAGATION_REQUIRED</prop>
 				<prop key="startLesson">PROPAGATION_REQUIRED</prop>
 				<prop key="archiveLesson">PROPAGATION_REQUIRED</prop>
+				<prop key="removeLesson">PROPAGATION_REQUIRED</prop>
 				<prop key="openGate">PROPAGATION_REQUIRED</prop>
 				<prop key="closeGate">PROPAGATION_REQUIRED</prop>
 			</props>
Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringService.java
===================================================================
diff -u -rbafa5fcba1d36d41f07976921a588b497e03801b -r683bf4251c56ab76b4eded4ff621fc9fc069ac21
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringService.java	(.../MonitoringService.java)	(revision bafa5fcba1d36d41f07976921a588b497e03801b)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringService.java	(.../MonitoringService.java)	(revision 683bf4251c56ab76b4eded4ff621fc9fc069ac21)
@@ -349,7 +349,7 @@
 
         Lesson requestedLesson = lessonDAO.getLesson(new Long(lessonId));
         if ( requestedLesson == null) {
-        	throw new MonitoringServiceException("Lesson for id="+lessonId+" is missing. Unable to start lesson.");
+        	throw new MonitoringServiceException("Lesson for id="+lessonId+" is missing. Unable to archive lesson.");
         }
 
         requestedLesson.setLessonStateId(Lesson.ARCHIVED_STATE);
@@ -362,7 +362,7 @@
     public void removeLesson(long lessonId) {
         Lesson requestedLesson = lessonDAO.getLesson(new Long(lessonId));
         if ( requestedLesson == null) {
-        	throw new MonitoringServiceException("Lesson for id="+lessonId+" is missing. Unable to start lesson.");
+        	throw new MonitoringServiceException("Lesson for id="+lessonId+" is missing. Unable to remove lesson.");
         }
 
         requestedLesson.setLessonStateId(Lesson.DISABLED_STATE);