mysql_query(): 에러.... 채택완료

스킨을 바꿔봤는데요.. 에러가 나는데 어떻게 해야 될까요??

data/dbconfig 파일도 확인해봤는데 db정보는 맞고요..

알려주시면 감사...ㅜ.ㅜ

Warning: mysql_query(): Access denied for user 'root'@'localhost' (using password: NO) in /free/home/best0106/html/skin/board/apt_sale/list.skin.php on line 195

Warning: mysql_query(): A link to the server could not be established in /free/home/best0106/html/skin/board/apt_sale/list.skin.php on line 195

Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /free/home/best0106/html/skin/board/apt_sale/list.skin.php on line 197