diff --git a/webnotes/__init__.py b/webnotes/__init__.py
index ec3cd3e208..e5ac39523b 100644
--- a/webnotes/__init__.py
+++ b/webnotes/__init__.py
@@ -94,6 +94,7 @@ class UnknownDomainError(Exception): pass
 class SessionStopped(Exception): pass
 class MappingMismatchError(ValidationError): pass
 class InvalidStatusError(ValidationError): pass
+class DoesNotExistError(ValidationError): pass
 		
 def getTraceback():
 	import utils