This is rather tricky and probably quite a rare bug too, because it's heavily reliant on the randomized nature of the map-generating.
Or it could be just a mis-constructed prop.
Anyways what happens here to "Kevin Jannsen" is that after having "pathfound" quite far away from a toolbox (from east to west via south), he simply got disabled: he was not able to move or shoot or even turn around (refer to image "20161210070640_1.jpg".
After few re-loads of the save-file I had simply give