The error was SourceCode.SmartObjects.Client.SmartObjectNotFoundException: SmartObject [aoe] could not be found
server.CreateConnection();
server.Connection.Open(K2.StringTablel"SmartObject Server"]);
SmartObject aoeSO = server.GetSmartObject("AOE");
SmartMethod loadMethod = aoeSO.Methodso"Load"];
SmartObject Server = Integrated=True;IsPrimaryLogin=True;Authenticate=True;EncryptedPassword=False;Host=bplspdevapp1;Port=5555