calibre does not support converting to azw3 if the table of contents in the input document has a very large number of entries. You will have to sue kindlegen to do your conversion for this book.
status wontfix
calibre does not support converting to azw3 if the table of contents in
the input document has a very large number of entries. You will have to
sue kindlegen to do your conversion for this book.
status wontfix