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 21:     <!--    </system.web>
Line 22: </configuration>-->
Line 23:     <authentication mode="Windows" />
Line 24:     <authorization>
Line 25:       <allow users="*" />

Source File: D:\web\\SIS_HTML\public\shop\web.config    Line: 23

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1022