MySQLi error #0 occured


Debug info
MyException Object
(
    [caption:MyException:private] => MySQLi error #0 occured
    [input_data:MyException:private] => Array
        (
            [POST] => Array
                (
                )

            [GET] => Array
                (
                    [module] => automatic
                    [seourl] => akce-prum-premiova-hrana-zdarma-pro-interierove-dvere
                )

            [SESSION] => Array
                (
                    [iface_locales_id] => 2
                    [ENV] => FE
                    [initiated] => 1
                    [locales_id] => 2
                )

        )

    [message:protected] => 
    [string:Exception:private] => 
    [code:protected] => 0
    [file:protected] => /www/webs/schody-zabradli-jelinek.cz/www/public/class/DB/MySQL.class.php
    [line:protected] => 184
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /www/webs/schody-zabradli-jelinek.cz/www/public/modules/galerie_a_produkty.php
                    [line] => 60
                    [function] => query
                    [class] => MySQL
                    [type] => ->
                    [args] => Array
                        (
                            [0] => (	SELECT
		homepage_text AS output_text,
		homepage_title AS output_title,
		CONCAT(c.current_seourl, '/', cp.content_photos_id) AS output_url,
		homepage_from AS output_date,
		CONCAT('/data/cms/', c.content_id, '/', cp.content_photos_id, '-homepage.jpg') AS output_image,
		'photo' AS output_type
	FROM
		content_photos_translations AS cpt
	INNER JOIN 
		content_photos AS cp ON cp.content_photos_id = cpt.content_photos_id
	INNER JOIN 
		content AS c ON c.content_id = cp.content_id
	WHERE
		(`homepage_from` < NOW() AND `homepage_to` IS NULL) OR
		(`homepage_to` > NOW() AND `homepage_from` IS NULL) OR 
		(`homepage_to` > NOW() AND `homepage_from` < NOW() AND `homepage_from` IS NOT NULL AND `homepage_to` IS NOT NULL)
) UNION (	SELECT 
		cdt.`text` AS output_text,
		cdt.`title` AS output_title,
		cdt.`seourl` AS output_url,
		c.publish_since AS output_date,
		CONCAT('/data/cms/', c.content_id, '/image-big.jpg') as output_image,
		'article' AS output_type
	FROM
		content_data_texts AS cdt
	LEFT JOIN
		content AS c ON cdt.content_id = c.content_id
	LEFT JOIN content_types AS ct USING(content_types_id) 
	WHERE
		cdt.revision = (SELECT MAX(t2.revision) FROM content_data_texts AS t2 WHERE t2.content_id = cdt.content_id) AND
		c.is_deleted = 0 AND 
		ct.enabled = 1 AND 
		c.locales_id = '2' AND (
			c.content_menus_id = '5' AND 
			content_id_parent IS NULL AND 
			in_menu = 1 AND ( 
				published = 1 AND 
				publish_since <= NOW() AND ( 
					publish_until IS NULL OR 
					publish_until >= NOW() 
				) 
			) 
		) 
	GROUP BY c.content_id
	ORDER BY c.orderby ASC
) ORDER by `output_date` DESC LIMIT 3
                        )

                )

            [1] => Array
                (
                    [file] => /www/webs/schody-zabradli-jelinek.cz/www/public/index.php
                    [line] => 75
                    [args] => Array
                        (
                            [0] => /www/webs/schody-zabradli-jelinek.cz/www/public/modules/galerie_a_produkty.php
                        )

                    [function] => require
                )

        )

    [previous:Exception:private] => 
)