document.write('<div class="rss-box-feed">');
document.write('<p class="rss-item"><em>Error:</em> Feed failed! Causes may be (1) No data  found for RSS feed https://gashtenavid.com/cat/%D8%A2%D9%86%D8%AA%D8%A7%D9%84%DB%8C%D8%A7/feed; (2) There are no items are available for this feed; (3) The RSS feed does not validate.<br /><br /> Please verify that the URL <a href="https://gashtenavid.com/cat/%D8%A2%D9%86%D8%AA%D8%A7%D9%84%DB%8C%D8%A7/feed">https://gashtenavid.com/cat/%D8%A2%D9%86%D8%AA%D8%A7%D9%84%DB%8C%D8%A7/feed</a> works first in your browser and that the feed passes a <a href="http://feedvalidator.org/check.cgi?url=https%3A%2F%2Fgashtenavid.com%2Fcat%2F%25D8%25A2%25D9%2586%25D8%25AA%25D8%25A7%25D9%2584%25DB%258C%25D8%25A7%2Ffeed">validator test</a>.</p></div>');