A few of my champions and skins are gone

I should have all champions unlocked long time ago and i do until this morning but in last game I noticed 47 of my champs are not available and i can buy them again in store as well as some of my skins. Also, I just played a game like 20mins ago with Jhin and now it says i don't own it , but Jhin is actually not in free rotation this week, so i fell it's really werid. I've already tried to relaunch my client as well as ask my friend to login with his client yet both didn't work. [Store Page](https://i.ibb.co/PNSfWfw/2-20190928193854.png) [Game History](https://i.ibb.co/5Fd9qpq/1-20190928193821.png) Another example is cait since I've unlocked mastery 6 with cait like last year and now it shows up in the store page. [mastery page](https://i.ibb.co/1zMYczT/3-20190929190756.png) [Store Page](https://i.ibb.co/m9WbjQx/4-20190929190815.png)
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