Catalogue guidelines error?

[S117]

One edition of the Art Book Puzzle book by Susie Hodge with ISBN: 9780711248168 is stated as an item that doesn't follow the catalogue guidelines. I've read through the guidelines and cannot see why this book has been marked as such. The other editions of the book has not been marked, and are reviewable.

Will someone please enlighten me if I've missed something, or help me fix it if it's an error. I have the physical book should questions need answers.

Edit: Link to the edition: https://www.goodreads.com/book/show/4...

[Scott]

I have made it public again. To find out why it was made invalid, you would have to contact support.

[S117]

Scott wrote: "I have made it public again. To find out why it was made invalid, you would have to contact support."

Thank you!