0 lp for ranked win?

Im plat 3 0LP just promoted, i just won a game and got 0 lp (i had to skip waiting for stats because it wouldnt load, does that sometime, so i dont know what the scoreboard said) But i went to match history to see if it was some sort of prevented game that sometimes happens when server issues causing people to not lose lp and stuff, but it wasnt, it says victory right there, normal game. But didnt get my lp :/ And no i was never disconnected or anything so the win dont count for me or whatever
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