KDP error: AI-generated content not disclosed
Understand KDP's AI disclosure rules, separate content-policy issues from formatting problems, and choose the right next step for a rejected book.
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Troubleshooting
Expert articles on KDP formatting, self-publishing, and book design for UK authors. 17 guides and counting.
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KDP Formatting
16 articlesKDP error: Blank chapter detected
Why KDP rejected your book for a blank chapter — and the exact fix. UK-specific, 2026 spec.
KDP error: Crop marks present in print PDF
Why KDP rejected your PDF for crop marks — and the exact fix. UK-specific, 2026 spec.
KDP error: Embedded image too large
Why KDP rejected your file for an oversized embedded image — and the exact fix. UK-specific, 2026 spec.
KDP error: Fewer than 24 pages (paperback minimum)
Why KDP rejected your paperback for being too short — and the exact fix. UK-specific, 2026 spec.
KDP error: File size over 650MB
Why KDP rejected the upload for exceeding its file size limit, how to find what is bloating the PDF, and the export settings that get it back under the line.
KDP error: Font not embedded in PDF
Why KDP rejects PDFs for non-embedded fonts, how to find which font is missing, and the export settings that fix it in Word, InDesign and Atticus.
KDP error: Image resolution below 300 DPI
Why KDP rejected your book for low-resolution images — and the exact fix. UK-specific, 2026 spec.
KDP error: ISBN on copyright page doesn't match metadata
KDP rejected your book for an ISBN mismatch between cover and metadata. Exactly which field is wrong, and how to fix and resubmit in minutes.
KDP error: Lorem ipsum or placeholder text detected
Why KDP rejected your book for placeholder text — and the exact fix. UK-specific, 2026 spec.
KDP error: More than 828 pages (paperback maximum)
Why KDP rejected your paperback for exceeding the page limit — and the exact fix. UK-specific, 2026 spec.
KDP error: Odd page count in print interior
Why KDP rejected your paperback for an odd page count — and the exact fix. UK-specific, 2026 spec.
KDP error: PDF transparency layers not flattened
Why KDP rejected your PDF for unflattened transparency — and the exact fix. UK-specific, 2026 spec.
KDP error: RGB images in print interior (CMYK required)
Why KDP rejected your print PDF for mixed colour spaces — and the exact fix. UK-specific, 2026 spec.
KDP error: Title on cover doesn't match dashboard metadata
Your cover title doesn't match your dashboard metadata. The exact fields KDP compares, the subtitle trap that catches most authors, and the fix.
KDP Rejection Reasons: The 15 Most Common, Fixed (Interactive Tool)
The 15 most common KDP rejection reasons and how to fix each one — an interactive tool: pick your reason, get the step-by-step fix. Margins, cover, ISBN, fonts and more.
Marketing & Sales
1 articleWhy Is My Book Not Showing Up in Amazon Search? 7 Causes, From Amazon's Own Help Pages
Book not showing up in Amazon search? Amazon says new books can take up to 72 hours, adult-flagged books are hidden from general search, only one format shows per book and titles over 200 characters don't display. How to check each one.