我有一个网站。在这里，我创建了一个名为 test 的子文件夹。但是当我浏览我的网页时，我收到了身份验证错误。
Server Error in '/' Application.
Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.
Source Error:
Line 8: <compilation debug="true">
Line 9: </compilation>
Line 10: <authentication mode="Windows"/>
Line 11: <customErrors mode="Off"/>
Line 12: </system.web>
Source File: d:\hosting\mydomain\mysubfolder\web.config Line: 10
Version Information: Microsoft .NET Framework Version:2.0.50727.3625; ASP.NET Version:2.0.50727.3634
如何解决这个问题？