Warning: require_once(DB.php) [function.require-once]: failed to open stream: No such file or directory in /usr/home/web/users/a0019418/html/inventory/environment.php on line 12

Fatal error: require_once() [function.require]: Failed opening required 'DB.php' (include_path='.:/usr/local/share/pear') in /usr/home/web/users/a0019418/html/inventory/environment.php on line 12