Cita:
Iniciado por Valery-Net 
Necesitas el assemblie: CrystalDecisions.ReportAppServer.CommLayer, buscalo en C:\WINDOWS\assembly\GAC_MSIL\
Tienes razón, me hizo falta agregar esa referencia, ya lo hice pero no salidmosdel mismo lugar :(
He aquí el nuevo error:
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Server Error in '/TyP' Application.
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An error has occurred while attempting to load the Crystal Reports runtime.
Either the Crystal Reports registry key permissions are insufficient or the Crystal Reports runtime is not installed correctly.
Please install the appropriate Crystal Reports redistributable (CRRedist*.msi) containing the correct version of the Crystal Reports runtime (x86, x64, or Itanium) required. Please go to
http://www.businessobjects.com/support for more information.
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Se puede ver desde:
http://www.serviciosit.com.mx/TyP/