QUERY: SELECT DISTINCT
    s.*, sd.*
    FROM
    specifications AS s
    INNER JOIN specification_groups AS sg ON s.specification_group_id = sg.specification_group_id
    INNER JOIN specification_groups_to_categories AS s2c ON sg.specification_group_id = s2c.specification_group_id
    INNER JOIN specification_description sd ON sd.specifications_id = s.specifications_id
    WHERE sg.show_filter = 'True' 
    and sd.language_id = '1'<br>
ERROR: MySQL server has gone away<br>