My site rolled back to an older version and backups are not working

[DharmaNode (Michael)]

Opened my site today and found out it had rolled back to an older version. Tried to look at the backups but when I click preview this happens:

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Here is my site Read-Only: LINK
(how to share your site Read-Only link)

[Nita (Sónia Alves)]

Hi @DharmaNode,

Can you please post the site Read-Only links?

Thanks in advance!