David Musgrave tackles the error: Could not load file or assembly ‘Microsoft.Dynamics.GP.BusinessIntelligence.Homepage.dll’
Could not load file or assembly ‘Microsoft.Dynamics.GP.BusinessIntelligence.Homepage.dll’ – Developing for Dynamics GP – Site Home – MSDN Blogs
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.