Error Has Been Caught in Page_Error event

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Error in: http://www.allaboutthearea.com/AdRedirect.aspx?AdId=MYTORCHLAKE&Adpath=https://games.reveur.de/link.php?t=https://anyxxx.pw/xxx
Error Message: c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\cb547e34\b647b76a\App_Web_adredirect.aspx.cdcab7d2.2nanda4c.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'