--- a/iro/error.py	Tue Feb 14 16:23:27 2012 +0100
+++ b/iro/error.py	Tue Feb 14 21:24:31 2012 +0100
@@ -57,6 +57,8 @@
 
 class NoRoute(OfferException):
     pass
+class NoRouteForTask(Exception):
+    pass
 
 class NoProvider(OfferException):
     pass