Dynamics Corporate Performance Management has a new post up with some Training: Keep reports up to date with Missing Account Analysis
Training: Keep reports up to date with Missing Account Analysis – Dynamics Corporate Performance Management – Site Home – MSDN Blogs
Reporting & BIInstall, Upgrade & AdminMicrosoft & the GP Ecosystem
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.