我正在尝试使用 Nuget 将 ServiceStack ( https://servicestack.net/ ) 安装到 Visual Studio 2015 C# Umbraco UCommerce Web 解决方案中，但出现以下错误。任何有助于理解或解决此问题的帮助将不胜感激
谢谢
特里·克兰西
ClanceZ
Attempting to gather dependencies information for package 'ServiceStack.4.0.46' with respect to project 'TeraTastic03', targeting '.NETFramework,Version=v4.6'
Attempting to resolve dependencies for package 'ServiceStack.4.0.46' with DependencyBehavior 'Lowest'
Resolving actions to install package 'ServiceStack.4.0.46'
Resolved actions to install package 'ServiceStack.4.0.46'
Adding package 'ServiceStack.Interfaces.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Interfaces.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Interfaces.4.0.46' to 'packages.config'
Successfully installed 'ServiceStack.Interfaces 4.0.46' to TeraTastic03
Adding package 'ServiceStack.Text.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Text.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Text.4.0.46' to 'packages.config'
Successfully installed 'ServiceStack.Text 4.0.46' to TeraTastic03
Adding package 'ServiceStack.Client.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Client.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Client.4.0.46' to 'packages.config'
Successfully installed 'ServiceStack.Client 4.0.46' to TeraTastic03
Adding package 'ServiceStack.Common.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Common.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.Common.4.0.46' to 'packages.config'
Successfully installed 'ServiceStack.Common 4.0.46' to TeraTastic03
Adding package 'ServiceStack.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.4.0.46' to folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Added package 'ServiceStack.4.0.46' to 'packages.config'
Successfully installed 'ServiceStack 4.0.46' to TeraTastic03
Install failed. Rolling back...
Removed package 'ServiceStack 4.0.46' from 'packages.config'
Removed package 'ServiceStack.Common 4.0.46' from 'packages.config'
Removed package 'ServiceStack.Client 4.0.46' from 'packages.config'
Removed package 'ServiceStack.Text 4.0.46' from 'packages.config'
Removed package 'ServiceStack.Interfaces 4.0.46' from 'packages.config'
Removing package 'ServiceStack 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removed package 'ServiceStack 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removing package 'ServiceStack.Common 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removed package 'ServiceStack.Common 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removing package 'ServiceStack.Client 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removed package 'ServiceStack.Client 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removing package 'ServiceStack.Text 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removed package 'ServiceStack.Text 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removing package 'ServiceStack.Interfaces 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
Removed package 'ServiceStack.Interfaces 4.0.46' from folder 'C:\Clancy\A_TeraTastic\Dev\TeraTastic03\packages'
System.NullReferenceException: Object reference not set to an instance of an object.
at NuGet.PackageManagement.VisualStudio.AssemblyBinding.Parse(XContainer dependentAssembly)
at NuGet.PackageManagement.VisualStudio.BindingRedirectManager.<>c.<GetAssemblyBindings>b__18_0(XElement dependentAssemblyElement)
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Linq.Lookup`2.Create[TSource](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
at NuGet.PackageManagement.VisualStudio.BindingRedirectManager.GetAssemblyBindings(XDocument document)
at NuGet.PackageManagement.VisualStudio.BindingRedirectManager.AddBindingRedirects(IEnumerable`1 bindingRedirects)
at NuGet.PackageManagement.VisualStudio.RuntimeHelpers.<AddBindingRedirectsAsync>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at NuGet.PackageManagement.VisualStudio.RuntimeHelpers.<AddBindingRedirectsAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at NuGet.PackageManagement.VisualStudio.RuntimeHelpers.<AddBindingRedirectsAsync>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at NuGet.PackageManagement.VisualStudio.VSMSBuildNuGetProjectSystem.<<AddBindingRedirects>b__59_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.VisualStudio.Threading.JoinableTask.CompleteOnCurrentThread()
at NuGet.PackageManagement.VisualStudio.VSMSBuildNuGetProjectSystem.AddBindingRedirects()
at NuGet.ProjectManagement.MSBuildNuGetProject.PostProcessAsync(INuGetProjectContext nuGetProjectContext, CancellationToken token)
at NuGet.PackageManagement.NuGetPackageManager.<ExecuteNuGetProjectActionsAsync>d__42.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at NuGet.PackageManagement.NuGetPackageManager.<ExecuteNuGetProjectActionsAsync>d__42.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at NuGet.PackageManagement.UI.UIActionEngine.<ExecuteActionsAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at NuGet.PackageManagement.UI.UIActionEngine.<PerformActionAsync>d__3.MoveNext()
========== Finished ==========