Back to rank 1 after reaching 850 yesterday in cod

I was playing last night and reached rank 850. And just now when im logging in so is my account reset! all my bought stuff is gone like battlepass black cell and operators. is there anything i can do?

Hello:

You will need to contact Activision Support.

Blizzard only handles the distribution of Call of Duty games – they can help with the purchase, activation, download and installation. For any other issues, including in-game issues, you will need to contact Activision.

https://support.activision.com/uk/en/homepage