Getting this spammed the whole time in the log file, causing it to grow really fast. :/
09-Oct-2014 14:53:00 UTC] WordPress database error Duplicate key name 'post_id' for query ALTER TABLE wp_comment_votes ADD KEY post_id (post_id) made by require_once('wp-load.php'), require_once('wp-config.php'), require_once('wp-settings.php'), do_action('init'), call_user_func_array, YoutubeLikeRating->setup_plugin, dbDelta
[09-Oct-2014 14:53:00 UTC] WordPress database error Duplicate key name 'voter_id' for query ALTER TABLE wp_comment_votes ADD KEY voter_id (voter_id) made by require_once('wp-load.php'), require_once('wp-config.php'), require_once('wp-settings.php'), do_action('init'), call_user_func_array, YoutubeLikeRating->setup_plugin, dbDelta
[09-Oct-2014 14:53:00 UTC] WordPress database error Duplicate key name 'post_voter' for query ALTER TABLE wp_comment_votes ADD KEY post_voter (post_id, voter_id) made by require_once('wp-load.php'), require_once('wp-config.php'), require_once('wp-settings.php'), do_action('init'), call_user_func_array, YoutubeLikeRating->setup_plugin, dbDelta
[09-Oct-2014 14:53:00 UTC] WordPress database error Duplicate key name 'comment_voter' for query ALTER TABLE wp_comment_votes ADD KEY comment_voter (comment_id, voter_id) made by require_once('wp-load.php'), require_once('wp-config.php'), require_once('wp-settings.php'), do_action('init'), call_user_func_array, YoutubeLikeRating->setup_plugin, dbDelta