On the first evening of the new event I got the newest Mei Skin from a Lootbox. A few seconds later game has crashed and on the next day I saw that the skin was missing. I got screenshots and a vodcast as prove 
Please give me back my Pyjamei 
Hey Briinaaa,
I’ve been documenting this for a while. Please take a look for information:
https://us.forums.blizzard.com/en/overwatch/t/skins-missing-or-becoming-locked/1566
Quote And Direct Link To Topic (Click to expand)
Was this on PC or console?
Was it a free lootbox or a bought lootbox?