Are you using, USNcs and Unicode [metric] dataset. Spaces types? In BA are mapped to that of gbXML space type for user conveniences, this file which you are talking about is space mapping file. 1. Try Opening with respective dataset file.ie USNcs or Unicode, while you open Bentley Architecture, while opening you get micro station manager, open with respective "project". 2. Delete, if any old EnergyAnalysisMappings.xml from earlier "project" This file gets recreated in V8i version.