Domain not recognize by blogger

Pls I need help
I deleted my custom domain from my current blog I wan to use it for another so am finding it difficult to use it on the new one

Blogger say my domain is not recognize

That sure sounds like something you should be asking Blogger.

in what they wrote, they said
they cajt Lock the cname and I thought it because they’ve approved it on Cloudflare

Try setting those DNS entries to :grey:.

What’s the domain?