Business Notification asmx error

I m installed business Notification. My server

Notification Service Deployment Manager
and
NS$BusinessNotificationInstance

services is working but I m trying open from Internet Explorer
http://localhost/BusinessNotificationDeploymentServer/DeploymentServerService.asmx
I get a error

Could not load type ‘Microsoft.BusinessSolutions.BusinessNotification.Deployment.Server.Global’

do anybody have any idea

It is my Error;

Server Error in ‘/BusinessNotificationMessageBus’ 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 type ‘Microsoft.BusinessSolutions.BusinessNotification.MessageBus.Global’.

Source Error:

<br><br>```<br>Line 1: <%@ Application Codebehind="Global.asax.cs" Inherits="Microsoft.BusinessSolutions.BusinessNotification.MessageBus.Global" %><br><br>```<br><br>

Source File: C:\Program Files\Microsoft Business Solutions-Navision\Business Notification\MessageBus\global.asax Line: 1


Version Information: Microsoft .NET Framework Version:1.1.4322.2300; ASP.NET Version:1.1.4322.2300