MySQL server has gone away
SELECT pot.*, pot.name_ru AS _name_sort, povt.* FROM SC_product_options_values as povt LEFT JOIN SC_product_options as pot ON pot.optionID=povt.optionID WHERE povt.productID IN ('3506','3508','3509','3507','3510','3406','3502','3504','3500','3383','3407','3408','3501','3505','3503') ORDER BY pot.sort_order, _name_sort