Fatal error: Uncaught TypeError: preg_match() expects parameter 2 to be string, null given in /srv/users/noticierocontable/apps/noticierocontable/public/wp-content/plugins/wp-rocket/inc/Engine/Optimization/DelayJS/HTML.php:221 Stack trace: #0 /srv/users/noticierocontable/apps/noticierocontable/public/wp-content/plugins/wp-rocket/inc/Engine/Optimization/DelayJS/HTML.php(221): preg_match('/<head\\b/i', NULL) #1 /srv/users/noticierocontable/apps/noticierocontable/public/wp-content/plugins/wp-rocket/inc/Engine/Optimization/DelayJS/Subscriber.php(114): WP_Rocket\Engine\Optimization\DelayJS\HTML->move_meta_charset_to_head(NULL) #2 /srv/users/noticierocontable/apps/noticierocontable/public/wp-includes/class-wp-hook.php(303): WP_Rocket\Engine\Optimization\DelayJS\Subscriber->add_delay_js_script('<!DOCTYPE html>...') #3 /srv/users/noticierocontable/apps/noticierocontable/public/wp-includes/plugin.php(189): WP_Hook->apply_filters('<!DOCTYPE html>...', Array) #4 /srv/users/noticierocontable/apps/noticierocontable/public/wp-content/p in /srv/users/noticierocontable/apps/noticierocontable/public/wp-content/plugins/wp-rocket/inc/Engine/Optimization/DelayJS/HTML.php on line 221