React error #452: React expected an <html> element (document.documentElement) to exist in the Document but one was not found. React never removes the...

The error message

React expected an <html> element (document.documentElement) to exist in the Document but one was not found. React never removes the documentElement for any Document it renders into so the cause is likely in some other script running on this page.

As listed by React error codes

%s is filled in by React at runtime.

Details

Category: Minified React error
Severity: error
Runtime: both

React error #453React expected a <head> element (document.head) to exist in the Document but one was not found. React never removes...
React error #454React expected a <body> element (document.body) to exist in the Document but one was not found. React never removes...
React error #447While attempting to insert a Resource, React expected the Document to contain a head element but it was not found.
React error #0Encountered an invalid child; DOM elements are not valid children of React components.
React error #105A valid React element (or null) must be returned. You may have returned undefined, an array or some other invalid...
React error #109%s.render(): A valid React element (or null) must be returned. You may have returned undefined, an array or some other...
React error #12ReactShallowRenderer render(): Invalid component element.%s
React error #130Element type is invalid: expected a string (for built-in components) or a class/function (for composite components)...

The error message

Details

Related errors