Complete guide to React framework errors and how to fix them.
Trying to access a property on an undefined object, commonly occurs when data hasn't loaded yet.
Trying to render an object directly as a React child, which is not allowed.
Component is causing infinite re-renders, usually from setting state in render or useEffect without dependencies.
List items are missing unique 'key' props, which React needs for efficient rendering.
React hooks are being called outside of a function component or in the wrong order.
The number or order of hooks changed between renders, which violates React's rules of hooks.
React is trying to render to a container that doesn't exist or isn't a valid DOM element.
Trying to update component state during the render phase, which causes infinite loops.
useEffect hook is missing dependencies in its dependency array, which can cause stale closures.
The HTML rendered on the server doesn't match what React renders on the client, causing hydration errors.
Trying to call .map() on an undefined value, usually when data hasn't loaded yet.
Trying to render an invalid React component, often from incorrect import or export.
React cannot find the imported module or component.
React hooks are being called incorrectly, outside component or in wrong context.