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Fatal error: Call to undefined function sql_query() in /home/hosting_users/comma050/www/index_admin.php on line 14

skin/board 에 다운받은스킨넣었거든요 그담에 관리자페이지 들어가려고 주소치니깐
저렇게 뜨네요 해결좀해주세요ㅠㅠ