The door get stuck when a lot of bot try to go though it. Is it just a problem with bots or the navmesh or there's something wrong with the doors? They were placed using the Boojum Snark's pack's prefab.
Propably something wrong with the door or nav mesh. Do you have it open by trigger? If yes, check that you have Output OnEndTouchAll door_name Close. I suspect you might have OnEndTouch there. You can check the nav mesh with sv_cheats 1 and nav_edit 1 to see if there is something wrong with it.
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