This is a reference entry from React error codes. A full explanation with fixes has not been written yet.
React expected a <head> element (document.head) to exist in the Document but one was not found. React never removes the head for any Document it renders into so the cause is likely in some other script running on this page.
%s is filled in by React at runtime.
- Category
- Minified React error
- Severity
- error
- Runtime
- both
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Source: React error codes. Data fetched 2026-09-25T01:43:12.929Z.