Steps:
1) Download AIA TP lite
https://mega.co.nz/#!UxBkUQRK!JsrAoyg7Yc1jDeTQZVmzKT918mcAkwyobkUP80LjNEA
2) Load it as modfolder: -mod=@AllInArmaTerrainPackLite
3) Load editor
4) Load attached mission (A3_CTD_Editor_LoadingTerrain.Chernarus)
5) Start mission
6) Exit mission back to editor
7) Pick editor and select another island, e.g. Virtual Reality
8) Crash
PS: alternate download links
http://forums.bistudio.com/showthread.php?182072-All-in-Arma-Terrain-Pack-(AiA-TP)-A1-A2-OA-terrains-from-BI-in-A3