A model with no collision?

It happened just after I acquired a crowbar.
I checked it multiple times, I can go into it just as if I was using noclip. What’s even more strange, if I look away from it for a few seconds, it disappears (last picture).
https://imgur.com/a/3V9Oa

Also… is this tie supposed to look like that?
https://imageshack.us/a/img269/4315/2012091400001.jpg

Supporting, i am too have no collision models:
https://steamcommunity.com/sharedfiles/filedetails/?id=96068102
And in many places i see this thing with keyboard attachment:
https://steamcommunity.com/sharedfiles/filedetails/?id=96087020

There’s lots and in every map, in Unforeseen, when you cross the river and fint the healt stantion with the dead scientist you can pick up the biggest props and throw like boxes, also in WGH there a re 2 barrels who desnt have collide between thems

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