Server Error in '/' Application. Parser Error Message: File or assembly name ABCpdf, or one of its dependencies, was not found.

Server Error in '/' Application.
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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: File or assembly name ABCpdf, or one of its dependencies, was not found.
 
Source Error: 
 
 
Line 2:  <%@ Import Namespace="WebSupergoo.ABCpdf4" %>
Line 3:  <%@ Import Namespace="System.Xml"  %>
Line 4:  <%@ Assembly Name="ABCpdf" %>
Line 5:  <script runat="server">
Line 6:    class mr {
 
 
Source File: D:\Domains\rusemblon.org\wwwroot\appform\result.aspx    Line: 4 
 
Assembly Load Trace: The following information can be helpful to determine why the assembly 'ABCpdf' could not be loaded.
 
 
=== Pre-bind state information ===
LOG: DisplayName = ABCpdf
 (Partial)
LOG: Appbase = file:///D:/Domains/rusemblon.org/wwwroot
LOG: Initial PrivatePath = bin
Calling assembly : (Unknown).
===
 
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Post-policy reference: ABCpdf
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/root/29c84c03/9b4a8c1b/ABCpdf.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/root/29c84c03/9b4a8c1b/ABCpdf/ABCpdf.DLL.
LOG: Attempting download of new URL file:///D:/Domains/rusemblon.org/wwwroot/bin/ABCpdf.DLL.
LOG: Attempting download of new URL file:///D:/Domains/rusemblon.org/wwwroot/bin/ABCpdf/ABCpdf.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/root/29c84c03/9b4a8c1b/ABCpdf.EXE.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/root/29c84c03/9b4a8c1b/ABCpdf/ABCpdf.EXE.
LOG: Attempting download of new URL file:///D:/Domains/rusemblon.org/wwwroot/bin/ABCpdf.EXE.
LOG: Attempting download of new URL file:///D:/Domains/rusemblon.org/wwwroot/bin/ABCpdf/ABCpdf.EXE.
 
 
 
 
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Version Information: Microsoft .NET Framework Version:1.1.4322.2407; ASP.NET Version:1.1.4322.2407