Why there's no error list here?

[michaelkhany]

I'm getting this:

System.AggregateException was unhandled
  HResult=-2146233088
  Message=One or more errors occurred.
  Source=mscorlib
  StackTrace:
       at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
       at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
       at System.Threading.Tasks.Task`1.get_Result()
       at Binance.API.Csharp.Client.BinanceClient.LoadTradingRules()
       at Binance.API.Csharp.Client.BinanceClient..ctor(IApiClient apiClient, Boolean loadTradingRules)
       at ... .Program.StartUp() in c:\...\Program.cs:line 95
       at ... .Program.Main(String[] args) in c:\...\Program.cs:line 36
       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
  InnerException: 
       HResult=-2146233088
       Message=Api Error Code: 0 Message: 
       Source=Binance.API.Csharp.Client
       StackTrace:
            at Binance.API.Csharp.Client.ApiClient.<CallAsync>d__1`1.MoveNext()
       InnerException: 

At
var binanceClient =new BinanceClient(apiClient,true);