Didnt get LP after win,Rioter please help

So,i had 19lp.Won next game but at lobby after game i couldnt see how much lp i gained cuz it kept loading.I decided to play another game,lost it,lost 15 lp and it showed that i got 4 lp.What happened with my win before that,how can something like that happen??? Can some of u Rioters help and fix this?It is easy to check and see that my last win didnt count.
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