InvalidOperationException: UPDATE_APP_TO_LOGIN

[Elipsaman]

after full year of writing my program code by TLSharp library now my all porject gos to trash? i cant just try another librery cuz it will need new full year of writing code, so sad dont know what to do I wish TLSHARP will be renew\updated\upgraded soon

what the best way to listen new (private) messages and respond to them with c#?

please dont look at me like a fish in a water :O thanks!