Comment 1 for bug 1849325

Thanks for filing the bug. We'll need some more information to see what's gone wrong.

Would you be able to test the latest version of subiquity to see if it's still not working?

https://discourse.ubuntu.com/t/how-to-test-the-latest-version-of-subiquity/12428

Can you switch to tty2 and extract /var/log/installer/* somehow?