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Laravel : The page has expired due to inactivity. Please refresh and try again.

please check this out by update app->Exceptions->Handler.php

public function render($request, Exception $exception)
{
    if ($exception instanceof \Illuminate\Session\TokenMismatchException)
    {
        return redirect()
                ->back()
                ->withInput($request->except('password'))
                ->with([
                    'message' => 'Validation Token was expired. Please try again',
                    'message-type' => 'danger']);
    }   

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