This wall represents an earlier phase of activity in Room G-8, since the wall eventually formed the foundation for later walls. There is potentially a foundation for this wall in the southeast corner of Room G-8, will need more excavation in this area to clarify.
Walls of Rooms G-1, G-7, G-8, and G-12
SU 6084, SU 6130, SU 6117, SU 6118; photo taken from the west
Photo from east
Photo from west