게시판 스킨을 skin>board 디렉토리에 업로드 후 게시판생성시 에러가 났어요

게시판 스킨을 skin>board 디렉토리에 업로드 후 게시판생성시 에러가 났어요

Warning: mkdir() [http://geojetown.co.kr/adm/function.mkdir">function.mkdir]: Permission denied in /home/users/aram/www/gp/gnuboard.plugin.php on line 373

Warning: chmod() [http://geojetown.co.kr/adm/function.chmod">function.chmod]: No such file or directory in /home/users/aram/www/gp/gnuboard.plugin.php on line 374

Warning: Cannot modify header information - headers already sent by (output started at /home/users/aram/www/gp/gnuboard.plugin.php:373) in /home/users/aram/www/head.sub.php on line 31

Warning: Cannot modify header information - headers already sent by (output started at /home/users/aram/www/gp/gnuboard.plugin.php:373) in /home/users/aram/www/head.sub.php on line 33

Warning: Cannot modify header information - headers already sent by (output started at /home/users/aram/www/gp/gnuboard.plugin.php:373) in /home/users/aram/www/head.sub.php on line 34

Warning: Cannot modify header information - headers already sent by (output started at /home/users/aram/www/gp/gnuboard.plugin.php:373) in /home/users/aram/www/head.sub.php on line 35

Warning: Cannot modify header information - headers already sent by (output started at /home/users/aram/www/gp/gnuboard.plugin.php:373) in /home/users/aram/www/head.sub.php on line 36

Warning: Cannot modify header information - headers already sent by (output started at /home/users/aram/www/gp/gnuboard.plugin.php:373) in /home/users/aram/www/head.sub.php on line 37

제가, 그누보드 설치가 처음이라 굉장히 어렵게 느껴지네요 ㅠ.ㅠ 도움 부탁드립니다.