I already tried replacing the userconfig with the backup file.
03 Sep 19:36:08,048 - 0.4.3.3: Crashed at System.Runtime.Serialization.ObjectManager.DoFixups()
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at ChannelMessages.ChanMsg.LoadUserConfig()
at DeepBot.Main..ctor()
at DeepBot.Program.Main()