luaimport does not work

[Aleksandr]

Hello all. I'm trying to include external script to the map but it throws some unexpected error:

I'm using following code:

//! luaimport "c:\Game\x.lua"

What could be wrong ?

Or it should be included using another statement ?
Attached map here: https://www.hiveworkshop.com/attachments/import-test-w3x.336919/