Unhandled exception. System.EntryPointNotFoundException: Entry point was not found. at System.Runtime.CompilerServices.IAsyncStateMachineBox.MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(IAsyncStateMachineBox box, Boolean allowInlining) --- End of stack trace from previous location --- at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_1(Object state) at System.Threading.ThreadPoolWorkQueue.Dispatch() at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()