That seems crazy, my last name is always flagged as wrong (as most are) but most of my character names are listed as wrong (foreign names tend to be) but I published without issue. Maybe contact the support. I know that many people bash KDP print but I bought a couple copies of my book and to be honest I like the quality of it and it compares very well with trad published books. Just my opinion.
KDP Print Beta was rolled out at the end of September last year. The process was buggy, and it seems to remain so to this day. The quality of the books that actually go on sale is rather low, as you can see by doing a search on Amazon for Independently published
Its sole advantage is that the author-publisher gets to see his or her paperback sales on the same page as the Kindle sales. But really, how big an advantage is that? How many seconds does it take, really, to check one's sales on Createspace--ten seconds, thirty seconds?
In exchange, you get that buggy publishing process, no physical proof copy, no discounted author copies for gift or resale, and no distribution to Barnes & Noble or to brick-and-mortar bookstores. (Most small bookstores will, as a favor to a customer and perhaps a small surcharge, order a Createspace or IngramSpark paperback.) If you don't live in the US, the proof copy and author's copies won't be as attractive, because of high shipping costs, but still....
My advice is to stick with CreateSpace with its excellent cover wizard, helpful community forum, and direct-to-author discounted sales. (If you don't live in the US, the physical proof copy and discounted author copies will be less attractive to you.)