From the GP Support Blog: Integration Manager Error: The provider could not determine the Object value.
Integration Manager Error: The provider could not determine the Object value. – Dynamics GP Support and Services Blog – GP Technical Blogs – Microsoft Dynamics Community
Microsoft & the GP EcosystemDevelopment & Integration
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.