Nuget install Error

Hello Proget.

When I trying install packages using nuget install It return error "Could not found package". but It works good on the web page.

Here are some error logs, at the admin page.

URL: http://localhost:7777/nuget/Frameworks/Packages(Id='Jit.Common.Debug',Version='2.0.0.0')
Referrer: (not set)
User: (unknown)
User Agent: NuGet/2.10.0.755 (Microsoft Windows NT 10.0.10586.0)
Stack trace:    위치: System.Net.HttpListenerResponse.set_StatusDescription(String value)
   위치: System.Web.HttpResponse.WriteHeaders()
   위치: System.Web.HttpResponse.Flush(Boolean finalFlush, Boolean async)
   위치: System.Web.HttpWriter.Write(String s)
   위치: Inedo.ProGet.WebApplication.SimpleHandlers.NuGet.ODataHandler.WriteError(HttpContext context, Int32 statusCode, String message, String fullMessage)
   위치: Inedo.ProGet.WebApplication.SimpleHandlers.NuGet.ODataHandler.<ProcessRequestAsync>d__11.MoveNext()
--- 예외가 throw된 이전 위치의 스택 추적 끝 ---
   위치: System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   위치: System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   위치: System.Web.TaskAsyncHelper.EndTask(IAsyncResult ar)
   위치: System.Web.HttpApplication.CallHandlerExecutionStep.OnAsyncHandlerCompletion(IAsyncResult ar)

Product: ProGet
Version: 4.0.6

When I trying after remove all connectors, NuGet.exe install command works without any exceptions. :(