Warning: Trying to access array offset on value of type bool in /customers/9/d/6/nnelken.one/httpd.www/wp-includes/theme.php on line 2241

Fatal error: Uncaught Error: Call to undefined function create_function() in /customers/9/d/6/nnelken.one/httpd.www/wp-content/plugins/responsive-image-widget/responsive_image_widget.php:123
Stack trace:
#0 /customers/9/d/6/nnelken.one/httpd.www/wp-settings.php(305): include_once()
#1 /customers/9/d/6/nnelken.one/httpd.www/wp-config.php(83): require_once('/customers/9/d/...')
#2 /customers/9/d/6/nnelken.one/httpd.www/wp-load.php(37): require_once('/customers/9/d/...')
#3 /customers/9/d/6/nnelken.one/httpd.www/wp-blog-header.php(13): require_once('/customers/9/d/...')
#4 /customers/9/d/6/nnelken.one/httpd.www/index.php(17): require('/customers/9/d/...')
#5 {main}
  thrown in /customers/9/d/6/nnelken.one/httpd.www/wp-content/plugins/responsive-image-widget/responsive_image_widget.php on line 123