我有一个在本地开发服务器（.net 附带的）上运行良好的 Web 应用程序，但是当上传到 iis8 时，它会出现空异常。不知道从哪里开始。
该应用程序正在运行框架的第 4 版。
Value cannot be null.
参数名称：type 说明：当前web请求执行过程中发生了未处理的异常。请查看堆栈跟踪以获取有关错误及其源自代码的位置的更多信息。
Exception Details: System.ArgumentNullException: Value cannot be null.
Parameter name: type
Source Error:
An unhandled exception was generated during the execution of the current web request.Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[ArgumentNullException: Value cannot be null.
Parameter name: type]
System.Activator.CreateInstance(Type type, Boolean nonPublic) +10703382
System.Activator.CreateInstance(Type type) +6
System.Web.Profile.ProfileBase.CreateMyInstance(String username, Boolean isAuthenticated) +77
System.Web.Profile.ProfileBase.Create(String username, Boolean isAuthenticated) +256
System.Web.HttpContext.get_Profile() +113
MB.ASTechnology.UI.BasePage.InitializeCulture() +36
ASP.default_aspx.__BuildControlTree(default_aspx __ctrl) +91
ASP.default_aspx.FrameworkInitialize() +44
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +48
System.Web.UI.Page.ProcessRequest() +72
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
System.Web.UI.Page.ProcessRequest(HttpContext context) +58
ASP.default_aspx.ProcessRequest(HttpContext context) +4
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +341
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69