I use asp.net user management in my Website.(ASP.NET 3.5) Everything has been working fine while developing and test via VS2010 on Win7. But when I compile and publish the site throws the error:
Compiler Error Message: BC30554: 'ProfileCommon' is ambiguous.
Line 55: End Sub
Line 57: Protected ReadOnly Property Profile() As ProfileCommon
Line 58: Get
Line 59: Return CType(Me.Context.Profile,ProfileCommon)
Here is a link to a forum where someone was having what appears to be a similar problem as you:
It is an older question, but some of the answers they have discussed might give you a place to start looking.