Error Has Been Caught in Page_Error event


Error in: http://www.allaboutthearea.com/AdRedirect.aspx?AdId=ADOPTPUFFIN&Adpath=http://www.projectpuffin.org/adoptapuffin.html
Error Message: c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\cb547e34\b647b76a\App_Web_adredirect.aspx.cdcab7d2.jcd6xc_u.0.cs(29): error CS0433: The type 'ProfileCommon' exists in both 'c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\cb547e34\b647b76a\App_Code.syq3ypyv.dll' and 'c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\cb547e34\b647b76a\App_Code.m9urmk_n.dll'