Unable to upload product images from vendor Dashboard

The problem for this code (in theme function.php)

add_action( ‘wp_enqueue_scripts’, ‘register_jquery’ );
function register_jquery() {
wp_deregister_script( ‘jquery’ );
wp_register_script( ‘jquery’, ( ‘https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js’ ), false, null, true );
wp_enqueue_script( ‘jquery’ );
};