Sentinel bug?

So I just had played a game of team deathmatch and was using the sentinel flatline loadout. Sentinel was working fine, but until I charged it. Once I charged it and shot it, the gun didnt play any reload animation, and I couldn't scope in. I holstered it and brought it back out and it played the animation. But when I shot again, it did the same thing. And throughout the match it kept happening and ultimately just didnt do anything towards the end. Idk if this is something to do with internet connect, or if its an actual bug.