ASPNETCOMPILER : error ASPRUNTIME: Target Directory not empty

I have a web application that needs to be built using a nant script. All the 开发者_高级运维projects in the solution build fine but for this error that crops up each time at the end of the build. I couldn't find much useful information on resolving this error. Has anyone encountered and fixed this kind of issue before? Any help would be much appreciated.

[exec] ASPNETCOMPILER : error ASPRUNTIME: The target directory is not empty, and does not appear to contain a previously compiled application. Please delete it manually, or choose a different target. [C:\SRC\BorgWorld\trunk\apps\Zombies.metaproj]

Delete the temporary website folder from

c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\

I got this to work by just deleting the folder to where the website was being precompiled. The nant succeeded with all projects built successfully.

I got it working by deleting everything except the .wdproj file in the deploy folder.