Modified a TD map and this error occur

[lht001300000]

Spoiler:

I cracked the map actually and modified the map using WC map editor
saved and reinject the .j file, manually deleted w3mapunit.doo
tried the map on single player, nothing occur
but when I play it on BN, I kept receiving this error
(Not at a particular time/progress, so it seems nothing related to a predefined game progress)

What would be a possible reason for this??