Warning: require_once(./libraries/Message.class.php): failed to open stream: No such file or directory in C:\Apache24\htdocs\wwwroot\PMyA\libraries\Error.class.php on line 13

Fatal error: require_once(): Failed opening required './libraries/Message.class.php' (include_path='.;C:\php\pear') in C:\Apache24\htdocs\wwwroot\PMyA\libraries\Error.class.php on line 13