Fatal error: Uncaught Error: Call to undefined function create_function() in D:\www\www506\wp-content\plugins\revslider\includes\framework\functions-wordpress.class.php:257
Stack trace:
#0 D:\www\www506\wp-content\plugins\revslider\revslider.php(85): RevSliderFunctionsWP::registerWidget()
#1 D:\www\www506\wp-settings.php(305): include_once('...')
#2 D:\www\www506\wp-config.php(89): require_once('...')
#3 D:\www\www506\wp-load.php(37): require_once('...')
#4 D:\www\www506\wp-blog-header.php(13): require_once('...')
#5 D:\www\www506\index.php(17): require('...')
#6 {main}
  thrown in D:\www\www506\wp-content\plugins\revslider\includes\framework\functions-wordpress.class.php on line 257