Fatal error: PHP error in file /srv/www/vhosts/no-kill.de/httpdocs/lib/system/RGallerySystem.class.php (14): Methods with the same name as their class will not be constructors in a future version of PHP; RGallerySystem has a deprecated constructor

Information:

error message: PHP error in file /srv/www/vhosts/no-kill.de/httpdocs/lib/system/RGallerySystem.class.php (14): Methods with the same name as their class will not be constructors in a future version of PHP; RGallerySystem has a deprecated constructor
error code: 0
file: /srv/www/vhosts/no-kill.de/httpdocs/wcf/lib/system/WCF.class.php (255)
php version: 7.2.23
wcf version: 1.0.11 pl 1 (Horizon)
date: Thu, 17 Oct 2019 21:57:00 +0000
request: /index.php?page=RGallery&rGalleryCat=none&reset_tag=1&s=56d53eb3a0f1011e9d37252079d010a757ce084e
referer:

Stacktrace:

#0 /srv/www/vhosts/no-kill.de/httpdocs/lib/page/RGalleryPage.class.php(4): WCF::handleError(8192, 'Methods with th...', '/srv/www/vhosts...', 14, Array)
#1 /srv/www/vhosts/no-kill.de/httpdocs/lib/page/RGalleryPage.class.php(4): require_once()
#2 /srv/www/vhosts/no-kill.de/httpdocs/wcf/lib/util/RequestHandler.class.php(57): require_once('/srv/www/vhosts...')
#3 /srv/www/vhosts/no-kill.de/httpdocs/wcf/lib/util/RequestHandler.class.php(91): RequestHandler->__construct('RGalleryPage', Array, 'page')
#4 /srv/www/vhosts/no-kill.de/httpdocs/index.php(8): RequestHandler::handle(Array)
#5 {main}