1 files changed, 2 insertions, 1 deletions

diff --git a/cs-dotnet/src/gatsexception.cs b/cs-dotnet/src/gatsexception.cs
index c6b2690..2dc49eb 100644
--- a/cs-dotnet/src/gatsexception.cs
+++ b/cs-dotnet/src/gatsexception.cs
@@ -7,7 +7,8 @@ namespace Com.Xagasoft.Gats
         public enum Type
         {
             PrematureEnd        = 1,
-            InvalidType         = 2
+            InvalidType         = 2,
+            InvalidFormat       = 3,
         };
 
         private Type _Reason;