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The type 'System.Web.Mvc.ViewUserControl' is ambiguous

Posted By:      Posted Date: October 12, 2010    Points: 0   Category :ASP.Net



I have a strange issue. We are using MVC on a project. For some reason when running the application I get the following error:


The type 'System.Web.Mvc.ViewUserControl' is ambiguous: it could come from assembly 'C:\Users\jon.doe\Documents\Visual Studio 2008\Projects\SomeSolution\Web\ SomeSolution \bin\ SomeSolution.DLL' or from assembly 'C:\Windows\assembly\GAC_MSIL\System.Web.Mvc\\System.Web.Mvc.dll'. Please specify the assembly explicitly in the type name.


I'm confused at why I would suddenly get this for no reason. I have rebuilt and rebooted to no avail. I have tried removing and re-adding the reference but still no luck.

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