Catch missing generation UID, avoid local name conflict
Catch missing generation UID, avoid local name conflict

CantemoInternal/pyxb,jonfoster/pyxb2,CantemoInternal/pyxb,pabigot/pyxb,jonfoster/pyxb1,jonfoster/pyxb-upstream-mirror,balanced/PyXB,balanced/PyXB,balanced/PyXB,jonfoster/pyxb2,jonfoster/pyxb1,CantemoInternal/pyxb,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb2,pabigot/pyxb