Fatal error: PHP error in file /www/htdocs/w00ad420/community/lib/page/RGalleryPage.class.php (213): Non-static method RGallerySystem::getCurrentCategorie() should not be called statically, assuming $this from incompatible context

Information:

error message: PHP error in file /www/htdocs/w00ad420/community/lib/page/RGalleryPage.class.php (213): Non-static method RGallerySystem::getCurrentCategorie() should not be called statically, assuming $this from incompatible context
error code: 0
file: /www/htdocs/w00ad420/community/wcf/lib/system/WCF.class.php (281)
php version: 5.6.40-nmm7
wcf version: 1.1.10 pl 1 (Tempest)
date: Thu, 18 Apr 2024 16:53:12 +0000
request: /community/index.php?page=RGallery&rGalleryCat=none&reset_tag=1&s=fc3b6e0afcf35582b86bb055f3db084c6bb4d9b4
referer:

Stacktrace:

#0 /www/htdocs/w00ad420/community/lib/page/RGalleryPage.class.php(213): WCF::handleError(8192, 'Non-static meth...', '/www/htdocs/w00...', 213, Array)
#1 /www/htdocs/w00ad420/community/wcf/lib/page/AbstractPage.class.php(46): RGalleryPage->show()
#2 /www/htdocs/w00ad420/community/wcf/lib/util/RequestHandler.class.php(64): AbstractPage->__construct()
#3 /www/htdocs/w00ad420/community/wcf/lib/util/RequestHandler.class.php(92): RequestHandler->__construct('RGallery', Array, 'page')
#4 /www/htdocs/w00ad420/community/index.php(8): RequestHandler::handle(Array)
#5 {main}