There were more errors, this processed line :
<ul class="wpsocialite social-buttons small"><li><a href="https://www.facebook.com/sharer.php?u=https://autospace.co/harley-davidson/&t=Harley Davidson- It" onclick="javascript:_gaq.push(['_trackEvent','outbound-article','https://www.facebook.com']);"s Not Just The Bikes That Are Legendary" class="socialite facebook-like" data-href="https://autospace.co/harley-davidson/" data-send="false" data-layout="button_count" data-width="60" data-show-faces="false" rel="nofollow" target="_blank"><span class="vhidden">Share on Facebook</span></a></li><li><a href="https://twitter.com/share" onclick="javascript:_gaq.push(['_trackEvent','outbound-article','https://twitter.com']);" class="socialite twitter-share" data-text="Harley Davidson- It's Not Just The Bikes That Are Legendary" data-url="https://autospace.co/harley-davidson/" data-count="horizontal" data-via="" rel="nofollow" target="_blank"><span class="vhidden">Share on Twitter</span></a></li><li><a href="https://plus.google.com/share?url=https://autospace.co/harley-davidson/" onclick="javascript:_gaq.push(['_trackEvent','outbound-article','https://plus.google.com']);" class="socialite googleplus-one" data-size="medium" data-href="https://autospace.co/harley-davidson/" rel="nofollow" target="_blank"><span class="vhidden">Share on Google+</span></a></li><li><a href="https://www.linkedin.com/shareArticle?mini=true&url=https://autospace.co/harley-davidson/&title=Harley Davidson- It" onclick="javascript:_gaq.push(['_trackEvent','outbound-article','https://www.linkedin.com']);"s Not Just The Bikes That Are Legendary" class="socialite linkedin-share" data-url="https://autospace.co/harley-davidson/" data-counter="right" rel="nofollow" target="_blank"><span class="vhidden">Share on LinkedIn</span></a></li></ul>
If you resolved validation errors in this then you can fix the errors in plugin too. ??