Is it possible for you to provide us with the back end and FTP access to your site to check on this issue? Also, provide us with the link to the discussion that has this issue too.
After upgrade to version 1.2.20 the problem return. http://razvitie.org/n/index.php/Приложения/область/25-discussions/group/1-test?customView=item&discussionId=34
Sorry about that, I have applied some fixes for you on the site and it should work fine now. In case others are facing similar problems, download the attached file and upload it into /administrator/components/com_easysocial/tables/