Fatal error: Uncaught Error: Call to undefined function Smush\Core\wp_doing_ajax() in /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/class-settings.php:173 Stack trace: #0 /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/class-settings.php(161): Smush\Core\Settings->__construct() #1 /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/modules/class-abstract-module.php(53): Smush\Core\Settings::get_instance() #2 /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/class-modules.php(93): Smush\Core\Modules\Abstract_Module->__construct() #3 /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/class-core.php(156): Smush\Core\Modules->__construct() #4 /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/class-stats.php(76): Smush\Core\Core->init() #5 /home/jk023500/www_root/wp-content/plugins/wp-smushit/wp-smush.php(292): Smush\Core\Stats->__construct() #6 /home/jk023500/www_root/wp-content/plugins/wp-smushit/wp-smush.php(232): WP_Smush->init() #7 /home/jk023500/www_root/wp-content in /home/jk023500/www_root/wp-content/plugins/wp-smushit/core/class-settings.php on line 173