backpack grey thing?

when i come next a backpack i get this weird bug:
http://prntscr.com/2dwnzw
i can pickup normally
any ideas?

explain the problem

when i come next to a backpack, hat or a vest, this weird grey thing appears, i can pickup the item normally but this annoying thing keep appearing

I don't know why, but this things happen in small maps.

Quote:

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Originally Posted by KlausVander

I don't know why, but this things happen in small maps.

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yh, the map is really small