Event ID: 5343 ('Microsoft.SharePoint.dll' or one of its dependencies. The system cannot find the file specified)

Escenario: Este error se presento cuando se implemento un formalario infopath con codigo personalizado donde se agrego como regerencia Sharepoint.dll que nos permite acceder a los datos de Lista, Librerias y otros recursos de Sharepoint.

Detalle:

Event Type: Error
Event Source: Office SharePoint Server
Event Category: Forms Services Runtime - Business Logic
Event ID: 5343
Date:  7/17/2009
Time:  11:14:07 AM
User:  N/A
Computer: PC-Marco
Description:
An exception occurred during loading of business logic. (User: Dominio\Mdiaz, Form Name: SCWFPuestoAprobacionAssociationForm, IP: , Request: http://Server2003/_layouts/CstWrkflIP.aspx?List={xxxxxx-xxxx-xxxx-xxxx-xxxxxxxx}, Form ID: urn:schemas-microsoft-com:office:infopath:SCWFPuestoAprobacionAssociationForm:-myXSD-2009-07-17T15-36-56, Type: FileNotFoundException, Exception Message: Could not load file or assembly 'file:///C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Template\Features\SCWFPuestoAprobacion\Forms\Microsoft.SharePoint.dll' or one of its dependencies. The system cannot find the file specified.)

Solucion:
Cuando agregemos la DLL debemos asegurarnos de poner Copy Local = False.
Tal como se muestran las imagenes.