これでいいでしょうか

[19:58.43][error][23-9]設定値Download.Ichiba.IchibaInfoTypeの型(String)が指定された型(IchibaInfoTypeSettings)と一致しません。
[19:58.43][Error] UIスレッドで例外が発生しました。
Niconicomeエラー情報
---------------------------------------------------
Exception Message : Object reference not set to an instance of an object.
Exception Type : NullReferenceException
Stack Trace :
at Niconicome.Models.Network.Download.DownloadSettingsHandler.CreateDownloadSettings()
at Niconicome.Models.Network.Download.DLTask.DownloadManager.StageVIdeo()
at Niconicome.ViewModels.Mainpage.DownloadSettingsViewModel.DownloadVideo(VideoInfoViewModel vm)
at Niconicome.ViewModels.Mainpage.DownloadSettingsViewModel.<.ctor>b__0_6()
at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_0(Object state)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)