I have same problem! Can someone help?
Warning: DOMDocument::loadHTML(): ID 208 already defined in Entity, line: 2 in /srv/users/xxx/apps/xxx/public/qa-include/qa-base.php(720) : eval()'d code on line 75
It's Ultimate SEO for sure, I tested. How to fix it?
Q2A Ultimate SEO: v1.4
EDIT: it only appear if someone upload image in answer. When I delete answer with image, error is gone!