이건대체 무슨현상인가요?ㅜㅜ급해여

그구보드4 빌더받고 인스톨 시킬려면 계속 오류가나네요 전에는안그랫는데어제
FTP에서 뭐건들고나서 계속이럽니다


Warning: include_once(./_common.php) [function.include-once]: failed to open stream: No such file or directory in /home/hosting_users/bgyt262/www/image/istown.install.php on line 2

Warning: include_once() [function.include]: Failed opening './_common.php' for inclusion (include_path='.:/usr/local/lib/php') in /home/hosting_users/bgyt262/www/image/istown.install.php on line 2

Fatal error: Call to undefined function sql_query() in /home/hosting_users/bgyt262/www/image/istown.install.php on line 32


문제가뭔가요........제발아시는분 지원좀!!!!!!