Fatal error: Uncaught Error: Call to undefined function create_function() in /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-content/plugins/revslider/includes/framework/functions-wordpress.class.php:257
Stack trace:
#0 /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-content/plugins/revslider/revslider.php(84): RevSliderFunctionsWP::registerWidget('RevSliderWidget')
#1 /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-settings.php(305): include_once('/usr/home/kkmme...')
#2 /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-config.php(89): require_once('/usr/home/kkmme...')
#3 /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-load.php(37): require_once('/usr/home/kkmme...')
#4 /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-blog-header.php(13): require_once('/usr/home/kkmme...')
#5 /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/index.php(17): require('/usr/home/kkmme...')
#6 {main}
  thrown in /usr/home/kkmmedia/domains/podlogiolejowane.pl/public_html/wp-content/plugins/revslider/includes/framework/functions-wordpress.class.php on line 257