Deprecated: Detection\MobileDetect::__construct(): Implicitly marking parameter $headers as nullable is deprecated, the explicit nullable type must be used instead in /www/htdocs/w012a4cb/_webseite-ab-2023-UI/administrator/components/com_eventbooking/libraries/vendor/mobiledetect/mobiledetectlib/namespaced/Detection/MobileDetect.php on line 907