"Invalid prop id supplied to React.Fragment", happens because React.Fragment only accepts the key and children props. If you accidentally pass an id or other props to React.Fragment, React throws this error. Inspect Your Code Look for where you are using <React.Fragment> or the shorthand <> in those files and passing an id or any other props. Alternative (if id is needed) If the id or another prop is required, replace React.Fragment with an actual HTML element, such as a .