im trying to create new landscape for the island capture the flag, but everytime i save a new area it quickly exits..

was wondering if it was the packet size, or something..

but i have the section im working on..

landscape.rscd:
https://app.box.com/s/diew1zi1ix879bbnnvbxxe2z3ni9u71e

map section:
https://app.box.com/s/5grfnhjblhculyp9fanj0z9u7ke0kqfm

image of section so far: