Old project - new error

My old project is giving me that error

Server Error in '/processtree' 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 44: by Microsoft that offers a single logon and core profile services for member sites
Line 45: --
Line 46: <authentication mode="Windows" />
Line 47:
Line 48: <!-- AUTHORIZATION

Source File: C:\Program Files\Microsoft Visual FoxPro 7\testarea\dotnet\treeview\processtree\processtree \web.config Line: 46

------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573

Can someone help me to understand what does that mean?the first place to start is to make sure that the project is configured as a
virtual dir and correctly mapped in IIS. Is it? If it is, run the
application without using the debugger (Ctrl+F5) option

--
Regards,
Alvin Bruney [ASP.NET MVP]
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"Mark" <anonymous@.discussions.microsoft.com> wrote in message
news:D503A006-F70A-4F1A-A56F-B94F962A63FC@.microsoft.com...
> My old project is giving me that error:
> Server Error in '/processtree' 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 44: by Microsoft that offers a single logon and core
> profile services for member sites.
> Line 45: -->
> Line 46: <authentication mode="Windows" />
> Line 47:
> Line 48: <!-- AUTHORIZATION
>
> Source File: C:\Program Files\Microsoft Visual FoxPro
> 7\testarea\dotnet\treeview\processtree\processtree \web.config Line: 46
>
> ------------------------
> Version Information: Microsoft .NET Framework Version:1.1.4322.573;
> ASP.NET Version:1.1.4322.573
> Can someone help me to understand what does that mean?
did not help.
did not help.