Warning: include_once(./_common.php) [function.include-once]: failed to open stream: No such file or directory in C:\AutoSet6\kookje_union\gnu4\bbs\board.php on line 2

Warning: include_once() [function.include]: Failed opening './_common.php' for inclusion (include_path='.;C:\php5\pear') in C:\AutoSet6\kookje_union\gnu4\bbs\board.php on line 2

Fatal error: Call to undefined function alert() in C:\AutoSet6\kookje_union\gnu4\bbs\board.php on line 9