Hello. My site sometimes get down and I find out this error.
PHP Code:

[Thu Oct 29 15:37:24 2015] [error] [client 46.241.250.197WordPress database error Table 'wordpress.wp_likebtn_item' doesn't exist for query SELECT likes, dislikes\n                
FROM wp_likebtn_item\n                
WHERE identifier = '
post_18725' made by require('wp-blog-header.php'), require_once('wp-load.php'), require_once('wp-config.php'), 
require_once('
wp-settings.php'), do_action('init'), call_user_func_array, likebtn_init, _likebtn_plugin_on_load, LikeBtnLikeButton->runSyncVotes, LikeBtnLikeButton->syncVotes, LikeBtnLikeButton->updateVotes, LikeBtnLikeButton->updateCustomFields, 
referer: http://m.facebook.com 
How can I solve this problem ?