Fatal error: Uncaught Error: Call to undefined function create_function() in /customers/1/b/0/marshabrink.nl/httpd.www/wp-content/plugins/iframe-widget/iframe-widget.php:14
Stack trace:
#0 /customers/1/b/0/marshabrink.nl/httpd.www/wp-settings.php(409): include_once()
#1 /customers/1/b/0/marshabrink.nl/httpd.www/wp-config.php(90): require_once('/customers/1/b/...')
#2 /customers/1/b/0/marshabrink.nl/httpd.www/wp-load.php(50): require_once('/customers/1/b/...')
#3 /customers/1/b/0/marshabrink.nl/httpd.www/wp-blog-header.php(13): require_once('/customers/1/b/...')
#4 /customers/1/b/0/marshabrink.nl/httpd.www/index.php(17): require('/customers/1/b/...')
#5 {main}
  thrown in /customers/1/b/0/marshabrink.nl/httpd.www/wp-content/plugins/iframe-widget/iframe-widget.php on line 14