Fatal error: Uncaught Error: Call to a member function lazy_load() on null in /home/ralp/www/wp-content/plugins/wp-fastest-cache/inc/cache.php:796 Stack trace: #0 [internal function]: WpFastestCacheCreateCache->callback('<!DOCTYPE html>...', 9) #1 /home/ralp/www/wp-includes/functions.php(4558): ob_end_flush() #2 /home/ralp/www/wp-includes/class-wp-hook.php(288): wp_ob_end_flush_all('') #3 /home/ralp/www/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #4 /home/ralp/www/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #5 /home/ralp/www/wp-includes/load.php(947): do_action('shutdown') #6 [internal function]: shutdown_action_hook() #7 {main} thrown in /home/ralp/www/wp-content/plugins/wp-fastest-cache/inc/cache.php on line 796