잘되던 쇼핑몰 홈페이지가 갑자기 에러를 계속 띄웁니다.

http://www.treeple.co.kr

확인 부탁 드립니다.
지금은 다시 열리네요. 무슨문제인지 알수없을까요?.

Warning: main(./extend/shop.extend.php) [function.main]: failed to open 
stream: Too many open files in /home1/wolfmagic/public_html/common.php 
on line 377

Warning: main() [function.include]: Failed 
opening './extend/shop.extend.php' for inclusion 
(include_path='.:/usr/lib/php/pear') 
in /home1/wolfmagic/public_html/common.php on line 377

Warning: main(./extend/index.php) [function.main]: failed to open 
stream: Too many open files in /home1/wolfmagic/public_html/common.php 
on line 377

Warning: main() [function.include]: Failed opening './extend/index.php' 
for inclusion (include_path='.:/usr/lib/php/pear') 
in /home1/wolfmagic/public_html/common.php on line 377

Warning: main(./extend/sms_point.extend.php) [function.main]: failed to 
open stream: Too many open files 
in /home1/wolfmagic/public_html/common.php on line 377

Warning: main() [function.include]: Failed 
opening './extend/sms_point.extend.php' for inclusion 
(include_path='.:/usr/lib/php/pear') 
in /home1/wolfmagic/public_html/common.php on line 377

Warning: main(./lib/latest.lib.php) [function.main]: failed to open 
stream: Too many open files in /home1/wolfmagic/public_html/index.php on 
line 3

Warning: main() [function.include]: Failed 
opening './lib/latest.lib.php' for inclusion 
(include_path='.:/usr/lib/php/pear') 
in /home1/wolfmagic/public_html/index.php on line 3

Warning: main(./head.php) [function.main]: failed to open stream: Too 
many open files in /home1/wolfmagic/public_html/index.php on line 8

Warning: main() [function.include]: Failed opening './head.php' for 
inclusion (include_path='.:/usr/lib/php/pear') 
in /home1/wolfmagic/public_html/index.php on line 8