ID:21097 GXB using the "<name> <name>" protocol cannot be placed in the same quad with other GXBs

CAUSE: The Fitter cannot place a gigabit transceiver block (GXB) using the specified Basic X4 protocol in the same quad with another GXB. The Basic X4 protocol GXBs must consume the entire quad.

ACTION: Modify the location constraints of the GXBs so that other GXBs are not placed into the same quad.