What was left of my team was disconnected with a bugsplat

It was a 5v4, Ranked. One of our team members disconnected. But sure. We still had a shot. Won worse games before. Well. This up until me and the rest of my team got bugsplat at the same time. And we lost the game because of it. Apparently the enemy team didn't get such a thing. We lost the game. I think someone lost a promo, and I lost LP. Can I get some Riot assistance on this? It is a completely ridiculous situation that needs to be checked out and straighten out.
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