Warning: require_once(C:\xamp\htdocs\web\config.php): failed to open stream: No such file or directory in C:\xamp\htdocs\tablon\index.php on line 3

Fatal error: require_once(): Failed opening required 'C:\xamp\htdocs\web\config.php' (include_path='.;C:\xamp\php\PEAR') in C:\xamp\htdocs\tablon\index.php on line 3