All mastery scores in the client collection tab are gone [Client]

https://i.gyazo.com/efaf6b2eefbabf55375d2917779a8050.png https://i.gyazo.com/226dda70abb914d8b2717b02155f140c.png

Exactly as the pictures and title says. In the client, your profile will still display your most mastered champions based on mastery points however the collection --> champions tab will display all unowned and owned champions as zero mastery points.