Warning: require_once(./inc/config/security_headers.php): failed to open stream: No such file or directory in C:\AppServ\www\One\index.php on line 6

Fatal error: require_once(): Failed opening required './inc/config/security_headers.php' (include_path='.;C:\php\pear') in C:\AppServ\www\One\index.php on line 6