Toast https://primereact.org/toast/ Here package `primereact` is used so use `npm i primereact` to install it In Toast.jsx ```jsx import { useEffect, useRef, useState } from "react"; import { Toast } from "primereact/toast"; // import { Button } from "primereact/button"; const ToastEle = (props) => { const toast = useRef(null); const { errorMessage, errorVisibility, setErrorVisibility } = props; const showError = () => { toast.current.show({ severity: "error", detail: errorMessage, life: 3000 }); }; useEffect(() => { if (errorVisibility === true) { showError(); setErrorVisibility(false); } }, [errorVisibility]); return ; }; export default ToastEle; ```   In App.jsx ```jsx import { PrimeReactProvider } from "primereact/api"; import "primereact/resources/themes/lara-light-indigo/theme.css"; // theme // import "primeflex/primeflex.css"; // css utility // import "primeicons/primeicons.css"; import "primereact/resources/primereact.css"; // import ToastEle from "./Components/Toast"; function App() { // for error message at top const [errorVisibility, setErrorVisibility] = useState(false); const [errorMessage, setErrorMessage] = useState(""); return( ) ```