419 Session Expired Error in Laravel

->withExceptions(function (Exceptions $exceptions) {
    $exceptions->render(function (\Illuminate\Session\TokenMismatchException $e, Request $request) {
        return redirect()->route('login')->withErrors(['username' => 'Your session expired. Please log in again.']);
    });
})

use Illuminate\Session\TokenMismatchException;

public function render($request, Throwable $exception)
{
    if ($exception instanceof TokenMismatchException) {
        return redirect()->route('login')->withErrors(['username' => 'Your session expired. Please log in again.']);
    }

    return parent::render($request, $exception);
}