Fatal error: Uncaught Error: Call to undefined function create_function() in /usr/www/users/jobvipesmt/support.jobvir.com/wp-content/themes/wp-knowledge-base/inc/class-ipt-kb-affix-widget.php:312
Stack trace:
#0 /usr/www/users/jobvipesmt/support.jobvir.com/wp-content/themes/wp-knowledge-base/functions.php(301): require()
#1 /usr/www/users/jobvipesmt/support.jobvir.com/wp-settings.php(546): include('/usr/www/users/...')
#2 /usr/www/users/jobvipesmt/support.jobvir.com/wp-config.php(90): require_once('/usr/www/users/...')
#3 /usr/www/users/jobvipesmt/support.jobvir.com/wp-load.php(50): require_once('/usr/www/users/...')
#4 /usr/www/users/jobvipesmt/support.jobvir.com/wp-blog-header.php(13): require_once('/usr/www/users/...')
#5 /usr/www/users/jobvipesmt/support.jobvir.com/index.php(17): require('/usr/www/users/...')
#6 {main}
  thrown in /usr/www/users/jobvipesmt/support.jobvir.com/wp-content/themes/wp-knowledge-base/inc/class-ipt-kb-affix-widget.php on line 312