Fatal error: Uncaught Error: Call to undefined function is_user_role() in /srv/www/news-front.info/htdocs/wp-content/plugins/rss-for-yandex-zen/rss-for-yandex-zen.php:703 Stack trace: #0 /srv/www/news-front.info/htdocs/wp-settings.php(303): include_once() #1 /srv/www/news-front.info/htdocs/wp-config.php(83): require_once('/srv/www/news-f...') #2 /srv/www/news-front.info/htdocs/wp-load.php(37): require_once('/srv/www/news-f...') #3 /srv/www/news-front.info/htdocs/wp-blog-header.php(13): require_once('/srv/www/news-f...') #4 /srv/www/news-front.info/htdocs/index.php(17): require('/srv/www/news-f...') #5 {main} thrown in /srv/www/news-front.info/htdocs/wp-content/plugins/rss-for-yandex-zen/rss-for-yandex-zen.php on line 703