A Database Error Occurred

Error Number: 1146

Table 'vkostume.item_sizes' doesn't exist

SELECT item_sizes.sizes_id AS size_id FROM (item_sizes) INNER JOIN s_groups_sizes ON s_groups_sizes.s_id = item_sizes.sizes_id WHERE `item_sizes`.`item_id` = 2668 ORDER BY sizes_id DESC LIMIT 1