Knowledge · Rule
Table of contents points to missing content
Navigation · E-TOC
Definition
One or more TOC entries link to an id or file that no longer exists in your book, which breaks Kindle's chapter navigation.
Why
- Chapter renamed or removed but NCX/nav/HTML TOC still points at the old href.
- Fragment identifiers (#section-id) were deleted when headings were rewritten.
- Case-sensitive path mismatch (Chapter1.xhtml vs chapter1.xhtml) on packaging.
- Duplicate or stale playOrder / navPoint entries left after a merge.
Impact
May block submission on KDP when this rule fails.
Platforms
| Platform | Result |
|---|---|
| KDP | May reject |
| Apple Books | May reject |
| Google Play | Warning |
| Kobo | Warning |
References
- EPUB Navigation / NCX linking
- Cermify Rule Set kdp-epub-2026-07
Last updated · 2026-08-03
Why we believe
Provenance is loaded from RID (same source as Rule Radar) — not a second copy.
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