Illegal: the query did not contain exactly one element:
SELECT date AS post_date, YEAR(date) AS year, DATE_FORMAT(date,'%m') AS month, DATE_FORMAT(date,'%d') AS day, WEEKDAY(date) AS weekday, DATE_FORMAT(date,'%k') AS hour, DATE_FORMAT(date,'%i') AS minute, mod_news.id AS id,title AS post_title,intro AS post_intro,content AS post_content,image AS post_image,subtitle AS post_subtitle,media_id AS photo_album FROM mod_news LEFT JOIN mod_news_languages ON mod_news.id = mod_news_languages.news_id WHERE mod_news.website_id=683 AND language_id=1 AND published='true' AND slug='vacature-administratief-medewerker-burgerzaken' LIMIT 0,1

/var/www/h10575/sites/cms/htdocs/ci.php