HABER Website ASP.NET 2.0 glitch

Job ID: 35256579

Budget: $30 – $250 USD

Need help fixing the error message, "Compiler Error Message: CS0433: The type 'SitePage' exists in both 'c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\9b6a826f\417c9158\App_Code.gqdfbggp.dll' and 'c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\9b6a826f\417c9158\App_Code.qa8dit3p.dll'
"

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