In the clip I don't even attempt at breaking out of stasis, since I almost fell off the map just to be caught in the stasis. I somehow don't die and then slide shotgun and melee and the opponent is still alive. I can't melee him for damage and my weapons don't do damage. I also couldn't capture points but could pick up ammo. I jumped off map to kill myself and then everything was back to normal.
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That is a glitch that occurs when you have extreme connection instability. you loaded into the map but you aren't loaded in for anyone else. I suggest you check your connection.