Urgent Help......!!!!!!!!!!!

[C# Programming]

hello friends and respected seniors..

i'm a beginer in .net and learning .net from csinfotech, chandigarh.They help us in making a project at end of the course.
And my topic is project management website.

So when i start the project i had made 6 forms.
but when i moved those forms in admin folder i change their code file's path.
and when i place site map provider and tree view to use them as site map control.
I got an error message.when i build the application.
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Warning 1 G:\Project Management Site\Website\Presentation Layer\Admin\MasterPage.master: ASP.NET runtime error: 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. (G:\Project Management Site\Website\presentation layer\web.config line 29) G:\Project Management Site\Website\Presentation Layer\Admin\MasterPage.master 1 1 G:\Project Management Site\Website\
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Error no. 2 is....

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Error 2 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. G:\Project Management Site\Website\Presentation
Layer\web.config 29
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Please help me to solve the error waiting for a favorable response...

Thanks in advance...

With Regards:-
Mayank Pathak
(9465373835)