Importer(PrefabImporter) and Importer(FBXImporter) generates inconsistent results in this project. It is somehow related to HDRP
How can we reproduce it using the example you attached
1 Open attached project
2 Open Prefabs->Buildings folder and RMB->Reimport on one of the prefabs
3 Open Models->Buildings folder and RMB->Reimport on one of the .fbx models
Actual Results: after steps 2 and 3 the appropriate warningd appear in the Console:
"Importer(PrefabImporter) generated inconsistent result for asset(guid:1d0aee27deb036444829b22bc0242535) "Assets/Prefabs/Buildings/pf_build_barracks_01.prefab""
"Importer(FBXImporter) generated inconsistent result for asset(guid:fcdfed3146ad63b4e95278d7959d5317) "Assets/Models/Buildings/build_barracks_01.fbx""