Warning: require_once(DB.php) [function.require-once]: failed to open stream: No such file or directory in /usr/home/aa140p50i1/html/blog/index.php on line 3

Fatal error: require_once() [function.require]: Failed opening required 'DB.php' (include_path='.:') in /usr/home/aa140p50i1/html/blog/index.php on line 3