Please check my collection. skins disappearred

i have opened 100 premium guests today, buy **_hextech amumu_**, **_hextech hecarim_** from gems and **_elementalist lux_**. last check, i saw 189 skins in my collection but some way when i logged out and logged in back, a lot of my skins have disappeared including hextech amumu, hextech hecarim and lux... and it showed only 166 skins. please help me checking this bug
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