Warning: require_once(Auth/Auth.php): failed to open stream: No such file or directory in R:\htdocs\libs\adodb521\pear\auth_adodb_example.php on line 3

Fatal error: require_once(): Failed opening required 'Auth/Auth.php' (include_path='C:\AppServ\xampp\php\PEAR') in R:\htdocs\libs\adodb521\pear\auth_adodb_example.php on line 3