I drained a 40 Wins XP Boost and a 5 Wins XP Boost playing the new TFT game mode before I realized what was happening, but didn't actually get any XP or level up my account. Put another way: I lost $20 worth of RP because I wanted to play TFT.
send a support ticket , they will help you
Another riot bug...
I know it's besides the point, but why would you pay 20$ to get more XP ? Experience is pointless given how terrible the level-up rewards are. If you want more BE, I suggesting investing this money into battle passes and buying champion shards with tokens. That's what I'm doing, and I can tell you if you play regularly it's by far the most efficient way to convert real money into BE.
Nice.
as another comment mentioned, don't forget to submit a support ticket
FON is still broken I wish someone would look in on that
Thats why i purchase day boosts instead of win boosts
