BattleTanks 8.80 not editable :S

[Exodus]

Well, that sounds like you are using only the standard Wc3 editor. The map was made using vJass, so you need some additions.

You can either use the Jass NewGen Pack (JNGP) or the Wex Editor (SharpCraft World Editor Extended Bundle). You can find both of them there:

https://www.hiveworkshop.com/repositories/tools.560/