React

Void element tag must not have children or dangerouslySetInnerHTML

%s is a void element tag and must neither have children nor use dangerouslySetInnerHTML.

React threw this error because a void HTML element such as `img`, `input`, or `br` was rendered with children or `dangerouslySetInnerHTML`, which HTML does not allow for those tag types.

React error #137runtime

Observed message

%s is a void element tag and must neither have children nor use dangerouslySetInnerHTML.

Why it happens

A void HTML element such as `img`, `input`, `br`, or `hr` was rendered with nested children.
A void element was given `dangerouslySetInnerHTML` even though that tag type cannot contain content.
A reusable JSX wrapper passed children into a tag that only supports self-closing output.

How to fix it

Remove all children from the void element and render it as a self-closing tag.
Do not use `dangerouslySetInnerHTML` on void tags such as `img`, `input`, `br`, or `hr`.
If content needs to be displayed, switch to a non-void container element such as `div`, `span`, or `label`.

Official reference

React Docs: Minified React error #137

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