请问这个问题应该怎么解决？谢谢

[wqhai]

Server Error in '/' Application.
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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 31:
Line 32: -->
Line 33: <authentication mode="Windows"/>
Line 34: <!-- 授权
Line 35: 此节设置应用程序的授权策略。可以允许或拒绝用户或角色访问