Query: SELECT c.category_id
		                  FROM video_categories AS c
		                  LEFT JOIN video_categories_translations AS ct ON (ct.category_id = c.category_id AND ct.lang_id = 23)
		                  WHERE c.slug = ''
		                  OR ct.slug = ''
		                  LIMIT 1<br />Error Message: Unknown column 'ct.slug' in 'where clause'<br />Error Number: 1054