Fatal error: Uncaught Error: Call to undefined function create_function() in /customers/d/8/f/c8hde77zl/webroots/www/wp-content/mu-plugins/gd-system-plugin/class-gd-system-plugin-auto-upgrades.php:27
Stack trace:
#0 /customers/d/8/f/c8hde77zl/webroots/www/wp-content/mu-plugins/gd-system-plugin.php(82): GD_System_Plugin_Auto_Upgrades->__construct()
#1 /customers/d/8/f/c8hde77zl/webroots/www/wp-settings.php(260): include_once('/customers/d/8/...')
#2 /customers/d/8/f/c8hde77zl/webroots/www/wp-config.php(81): require_once('/customers/d/8/...')
#3 /customers/d/8/f/c8hde77zl/webroots/www/wp-load.php(37): require_once('/customers/d/8/...')
#4 /customers/d/8/f/c8hde77zl/webroots/www/wp-blog-header.php(13): require_once('/customers/d/8/...')
#5 /customers/d/8/f/c8hde77zl/webroots/www/index.php(17): require('/customers/d/8/...')
#6 {main}
  thrown in /customers/d/8/f/c8hde77zl/webroots/www/wp-content/mu-plugins/gd-system-plugin/class-gd-system-plugin-auto-upgrades.php on line 27