--- module.js	2010-10-19 17:01:15.000000000 -0700
+++ module.js	2011-04-18 16:47:49.000000000 -0700
@@ -573,8 +573,8 @@
         outcome = this.report.Y.JSON.parse(outcome.responseText);
     } catch(e) {
         var message = M.str.gradereport_grader.ajaxfailedupdate;
-        message.replace(/\[1\]/, args.type);
-        message.replace(/\[2\]/, M.gradereport_grader.users[args.properties.userid]);
+        message = message.replace(/\[1\]/, args.type);
+        message = message.replace(/\[2\]/, this.report.users[args.properties.userid]);
         this.display_submission_error(message, args.properties.cell);
         return;
     }