Firstly, great plugin, thanks for taking the time to develop it. I'm trying to iron out a small bug before potentially upgrading to pro but stuck on the one below. Could you please help/patch the plugin?
I'm using the latest version of your plugin.
014/01/25 11:42:10 [error] 5554#0: *23691 FastCGI sent in stderr: "PHP message: PHP Fatal error: Call to undefined function getwtilastvoteddate() in /XXXXX/wp-content/plugins/wti-like-post/wti_like_post_ajax.php on line 42" while reading response header from upstream, client: 184.108.40.206, server: XXXXX.com, request: "GET /wp-admin/admin-ajax.php?action=wti_like_post_process_vote&task=like&post_id=403&nonce=9f514dac19 HTTP/1.1", upstream: "fastcgi://unix:/dev/shm/php-fpm-www.sock:", host: "www.XXXXX.com"