Plugin easysocial Error

I success install plugin Easy Social, but Plugin easysocial Error whet i active this plugin.
show error message like here

Fatal error: Cannot redeclare sanitize_comma_delimited() (previously declared in /home/xxx/public_html/wp-content/plugins/anspress-question-answer/includes/anspress-functions.php:674) in /home/xxx/public_html/wp-content/plugins/easysocial/inc/functions.php on line 259

Please help me