SQLSTATE[HY000]: General error: 1 Can't create/write to file '/tmp/#sql_2dd2_3.MYI' (Errcode: 28 - No space left on device)
Array
(
    [0] => Array
        (
            [file] => /var/www/produktewiki/includes/models/activerecord/db_adapters/PDO.php
            [line] => 12
            [function] => query
            [class] => PDO
            [type] => ->
            [args] => Array
                (
                    [0] => 
				SELECT DISTINCT
					COUNT(DISTINCT pt2.tag_id) AS 'tag_matches',
					GROUP_CONCAT(DISTINCT pt2.tag_id ORDER BY pt2.`tag_id`) AS 'tag_ids'
				
				FROM `product_tags` pt1
				
				LEFT JOIN `product_tags` pt2
				ON pt2.`product_id` = pt1.`product_id`
				
				WHERE pt1.`tag_id` = 442
				
				GROUP BY pt2.`product_id`
				
				HAVING `tag_matches` > 1
				
				ORDER BY `tag_matches` DESC
			
                    [1] => 2
                )

        )

    [1] => Array
        (
            [file] => /var/www/produktewiki/includes/models/activerecord/ActiveRecord.php
            [line] => 164
            [function] => query
            [class] => PDOAdapter
            [type] => ::
            [args] => Array
                (
                    [0] => 
				SELECT DISTINCT
					COUNT(DISTINCT pt2.tag_id) AS 'tag_matches',
					GROUP_CONCAT(DISTINCT pt2.tag_id ORDER BY pt2.`tag_id`) AS 'tag_ids'
				
				FROM `product_tags` pt1
				
				LEFT JOIN `product_tags` pt2
				ON pt2.`product_id` = pt1.`product_id`
				
				WHERE pt1.`tag_id` = 442
				
				GROUP BY pt2.`product_id`
				
				HAVING `tag_matches` > 1
				
				ORDER BY `tag_matches` DESC
			
                    [1] => PDO Object
                        (
                        )

                )

        )

    [2] => Array
        (
            [file] => /var/www/produktewiki/includes/models/Tag.php
            [line] => 126
            [function] => query
            [class] => ActiveRecord
            [type] => ::
            [args] => Array
                (
                    [0] => 
				SELECT DISTINCT
					COUNT(DISTINCT pt2.tag_id) AS 'tag_matches',
					GROUP_CONCAT(DISTINCT pt2.tag_id ORDER BY pt2.`tag_id`) AS 'tag_ids'
				
				FROM `product_tags` pt1
				
				LEFT JOIN `product_tags` pt2
				ON pt2.`product_id` = pt1.`product_id`
				
				WHERE pt1.`tag_id` = 442
				
				GROUP BY pt2.`product_id`
				
				HAVING `tag_matches` > 1
				
				ORDER BY `tag_matches` DESC
			
                )

        )

    [3] => Array
        (
            [file] => /var/www/produktewiki/tag.php
            [line] => 13
            [function] => related_tag_combinations
            [class] => Tag
            [type] => ->
            [args] => Array
                (
                )

        )

)