Hvad er det der forårsager denne fejl?

1.)
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Server Error in '/' Application.
Parser Error
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not load the assembly 'App_Web_ggj8bgwn'. Make sure that it is compiled before accessing the page.

Source Error:

Line 1:  <%@ page language="VB" masterpagefile="~/MasterPage.master" autoeventwireup="false" inherits="iletisim, App_Web_ggj8bgwn" title="" %>
Line 2: 
Line 3:  <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">


Source File: /iletisim.aspx    Line: 1

Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433


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2.)
----------------------------
Server Error in '/' Application.
Parser Error
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not load the assembly 'App_Web_ggj8bgwn'. Make sure that it is compiled before accessing the page.

Source Error:

Line 1:  <%@ page language="VB" masterpagefile="~/MasterPage.master" autoeventwireup="false" inherits="arama, App_Web_ggj8bgwn" title="sozluk.dk" %>
Line 2: 
Line 3:  <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">


Source File: /arama.aspx    Line: 1

Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433