Your domain name was suspended by Nominet, with a notice that they were unable to verify the contact information you provided on the registration. (For .uk domains the information is required to be correct.)
You should be able to submit a Registrar ticket through the Cloudflare dashboard. You may have to contact Nominet, though.
From the whois output:
Data validation:
Nominet was not able to match the registrant's name and/or
address against a 3rd party source on 19-Oct-2024
Relevant dates:
Registered on: 19-Oct-2024
Expiry date: 19-Oct-2025
Last updated: 19-Oct-2024
Registration status:
Registered until expiry date.
*** This registration has been SUSPENDED. ***