Next.js
Next.js root layout is missing html or body tags
Missing Root Layout tags
Next.js found a root layout that does not include the required html and body tags, which are mandatory in the App Router root layout.
Error AtlasError Documentation and ResolutionObserved message
Missing Root Layout tags
Why it happens
- The root layout returns children directly without wrapping html and body tags.
- One of the required root tags was removed during a refactor.
- The layout component was customized without preserving the required document structure.
How to fix it
- Return both html and body elements from the app root layout.
- Confirm the layout wraps children inside body rather than returning children alone.
- Retest the App Router build after restoring the required root layout structure.
Official reference
Next.js Docs: Missing Root Layout tagsRelated errors
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