Index: lams_tool_sbmt/src/java/org/lamsfoundation/lams/tool/sbmt/service/SubmitFilesService.java
===================================================================
diff -u -rbb597b8155375e6ac4dfe280f630d323b6e5e575 -r05c84228d414c007c26dbfe3afb95c23b241d043
--- lams_tool_sbmt/src/java/org/lamsfoundation/lams/tool/sbmt/service/SubmitFilesService.java	(.../SubmitFilesService.java)	(revision bb597b8155375e6ac4dfe280f630d323b6e5e575)
+++ lams_tool_sbmt/src/java/org/lamsfoundation/lams/tool/sbmt/service/SubmitFilesService.java	(.../SubmitFilesService.java)	(revision 05c84228d414c007c26dbfe3afb95c23b241d043)
@@ -789,7 +789,7 @@
 	    report.setDateMarksReleased(new Date());
 	    if (notifyLearnersOnMarkRelease) {
 		SubmitUser user = details.getLearner();
-		StringBuilder notificationMessage = notificationMessages.get(user.getUserID().longValue());
+		StringBuilder notificationMessage = notificationMessages.get(user.getUserID());
 		if (notificationMessage == null) {
 		    notificationMessage = new StringBuilder();
 		}