ProMods

There's an apparently closed gate, but you can go through it:



If you do so, the unloading icon disappears (though you can still unload)



The gate opens only when exiting:




Coords:

https://i.imgur.com/lAWTAXT.png

It didn't open for you, because you approached it at a sharp angle. Those gates only open when you approach them directly, unfortunately.

These gates are a real pain. These need more testing and better trigger, but for now it's not that much of an issue.