Error · nested-interactive
A button inside a button
Lighthouse / axe call it: Interactive controls must not be nested · Interactive controls are nested
Two clickable things are nested; screen readers and keyboards can only reach one.
Who it leaves out: blind people (screen readers) · people who can't use a mouse
How to fix it
Developer task; details below.
In the code
Do not nest a button/link inside another interactive element; flatten the markup.
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Related errors
Automated testing covers roughly half of WCAG criteria; a full conformance claim also requires manual review. Technical information, not legal advice.