Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "_wp_register_default_icon_collections" not found or invalid function name in /customers/b/8/7/pulsografico.com/httpd.www/wp-includes/class-wp-hook.php:353
Stack trace:
#0 /customers/b/8/7/pulsografico.com/httpd.www/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters(NULL, Array)
#1 /customers/b/8/7/pulsografico.com/httpd.www/wp-includes/plugin.php(523): WP_Hook->do_action(Array)
#2 /customers/b/8/7/pulsografico.com/httpd.www/wp-settings.php(742): do_action('init')
#3 /customers/b/8/7/pulsografico.com/httpd.www/wp-config.php(97): require_once('/customers/b/8/...')
#4 /customers/b/8/7/pulsografico.com/httpd.www/wp-load.php(50): require_once('/customers/b/8/...')
#5 /customers/b/8/7/pulsografico.com/httpd.www/wp-blog-header.php(13): require_once('/customers/b/8/...')
#6 /customers/b/8/7/pulsografico.com/httpd.www/index.php(17): require('/customers/b/8/...')
#7 {main}
  thrown in /customers/b/8/7/pulsografico.com/httpd.www/wp-includes/class-wp-hook.php on line 353