Index: lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/service/ForumService.java
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/service/ForumService.java,v
diff -u -r1.125 -r1.126
--- lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/service/ForumService.java	25 Jul 2014 13:49:34 -0000	1.125
+++ lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/service/ForumService.java	25 Jul 2014 14:01:51 -0000	1.126
@@ -938,11 +938,16 @@
 	    // save all authoring message one by one.
 	    // reset all resourceItem createBy user
 	    Set<Message> items = toolContentObj.getMessages();
+	    int sequenceId = 1;
 	    for (Message item : items) {
 		item.setCreatedBy(user);
 		item.setIsAuthored(true);
 		item.setForum(toolContentObj);
 		item.setSessionClones(new HashSet());
+		// very old LDs did not have sequence IDs in Message and the default value is 0
+		if (item.getSequenceId() == 0) {
+		    item.setSequenceId(sequenceId++);
+		}
 		createRootTopic(toolContentObj.getUid(), (ForumToolSession) null, item);
 	    }
 	} catch (ImportToolContentException e) {