Fix call to ErrorFormat().
diff --git a/src/main/csharp/Connection.cs b/src/main/csharp/Connection.cs
index 5bac841..77e67ef 100755
--- a/src/main/csharp/Connection.cs
+++ b/src/main/csharp/Connection.cs
@@ -690,7 +690,7 @@
                 }
             }
 
-            Tracer.Error("No such consumer active: {0}.  Removing...", dispatch.ConsumerId);
+            Tracer.ErrorFormat("No such consumer active: {0}.  Removing...", dispatch.ConsumerId);
             RemoveInfo info  = new RemoveInfo();
             info.ObjectId = dispatch.ConsumerId;
             transport.Oneway(info);