21:26:39.07 GAME - CreateGEWorld in 1552 ms
21:26:39.08 GAME - SessionSetup finished in 1530 ms
21:26:39.09 GAME - WaterReflectionManagerSetup
21:26:39.09 GAME - WaterReflectionManagerSetup finished in 0 ms
21:26:39.12 GAME -- Recording game
21:26:39.22 SimWorld::LoadWinCondition: - [DATA

21:26:40.29 DB -- Unable to load symbols.
[Fatal] Ran out of PathSectors due to map fragmentation.
Owner: unknown
-- FATAL EXIT --
pathsectormap.cpp/409:!
--stack trace--
Application closed with error code 1129468744
...any advice as to what specifically I should be looking out for? Any known gotchas with editing ice which cause crashes?
Thanks in advance for any help.