Fatal error: Uncaught Error: Class 'Rockyjvec\Onvif\Onvif\Extension\DeviceIO' not found

[peisia91]

Fatal error: Uncaught Error: Class 'Rockyjvec\Onvif\Onvif\Extension\DeviceIO' not found in /home/capcds/capcds/mrtg/html/vendor/rockyjvec/onvif/src/Rockyjvec/Onvif/Onvif.php:67

$class = "Rockyjvec\Onvif\Onvif/\Extension\" . $name;
to
$class = "Rockyjvec\Onvif\Service/\Extension\" . $name;