diff -r 78a99960286a -r 64a400eea6dd web/application.py
--- a/web/application.py	Tue Dec 18 12:42:56 2012 +0100
+++ b/web/application.py	Fri Mar 08 18:43:42 2013 +0100
@@ -541,7 +541,7 @@
         req.reset_message()
         req.reset_headers()
         if req.ajax_request:
-            return ajax_error_handler(req, ex)
+            return self.ajax_error_handler(req, ex)
         try:
             req.data['ex'] = ex
             if tb: