Try redownloading, this message usually pops up when the file is corrupt due to some issue during download.
This "helipads" pack contains the following objects - all available under "FARPS" in the editor, which means you can now spawn on them :)
Beware, there are some conflict with previously released pack, namely the "1_Ships_Bunker_Flak 2.5" (looks like Upuaut remove the link anyway).
But if you have this pack already installed, you should remove the following folders (located in mods/tech) "HelicopterLZ", "Goal_Marker" and "OilRig"
@Upuaut
First of all, Thanks a lot for the update
As you can see there are some missing textures for the Red Sands and Sea Fort objects. I've had a look at the logs and it seems those textures were in a folder called staddons which the game can't find. But all this is chinese to me so I might be completely wrong...as usual.
Also there's an issue with the helipad tower, it seems it has no collision box for the upper part of the tower and the helipad.
It's a bit weird because I've been able to spawn on it once (just once :huh:) and everything was fine but after that I'd just go right through it.
From my limited testing it seems this issue is only with this particular object.