EXCEPTION Fatal Error

DeviceDetector\DeviceDetector::__construct(): Argument #1 ($userAgent) must be of type string, null given, called in /var/web/site/public_html/wp-content/plugins/daftplug-progressify/includes/plugin.php on line 494

Occurred in file: /var/web/site/public_html/wp-content/plugins/daftplug-progressify/vendor/matomo/device-detector/DeviceDetector.php on line 188

No backup available. Please fix the error manually.