SQL Query Error
(SELECT item_video.*, 
                       -- item.name AS item_name
                       if (item_serie.id is not null, concat(item_serie.name, ': ', item.name), item.name) AS item_name
                FROM item_videos AS item_video
                INNER JOIN items AS item ON item_video.ref_item = item.id
                LEFT JOIN item_series AS item_serie ON (item_serie.id = item.ref_item_serie)  WHERE 1  AND item.ref_item_serie = 477 ORDER BY position ASC)
:
Got error 122 from storage engine