My Ash skins from rare to common tier are disappeared. this problem only Ash.

Heya @gerjieee 

Ash's Common and Rare skins have been temporarily disabled from the game, as these were causing crashes for some players in certain situations.

https://twitter.com/Respawn/status/1748514381527457848

I don't know when these will return, but hopefully they're back soon so players can use them again.