Did you go through the entire 2 page publishing process & republish on KDP or did you just complete the first page? If the latter, your book will stay in draft until you go back and complete the second page and republish.
JGB Impossible Possibilities - five brief interlocking humorous stories of people who accomplish the proverbially impossible.
My manuscript went from draft to in review and then back to draft, then in review and now back to draft. I published it over 24 hrs ago.
You need to check your Email, especially your SPAM folder— Amazon sends out a robotic e-mail that notifies you of the problem. These often get snared in the spam filter.
Check there and flag the address as not SPAM (Different systems do it different ways), so the next time it will be easy to spot.
If you flagged your book as public domain it will never pass review,.
The #1 correctable error is forgetting to add the author name!