When I run ANY new page in the browser it keeps saying

"Could not load type '_MYPROJECT.admin_test'."
Line 1: <%@ Page Language="vb" AutoEventWireup="false" Codebehind="admin_test.aspx.vb" Inherits="_MYPROJECT.admin_test"%>


No matter how many new pages I add I always get the same problem.

Has my solution become corrupted in VS.net 2002?

Can I fix it ?