Warning: include(/var/www/html/wp-content/plugins/wp-simple-firewall/src/lib/vendor/composer/../fernleafsystems/wordpress-services/src/Services.php): Failed to open stream: No such file or directory in /var/www/html/wp-content/plugins/superb-helper/vendor/composer/ClassLoader.php on line 571

Warning: include(): Failed opening '/var/www/html/wp-content/plugins/wp-simple-firewall/src/lib/vendor/composer/../fernleafsystems/wordpress-services/src/Services.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/wp-content/plugins/superb-helper/vendor/composer/ClassLoader.php on line 571

Fatal error: Uncaught Error: Class "FernleafSystems\Wordpress\Services\Services" not found in /var/www/html/wp-content/plugins/wp-simple-firewall/init.php:61
Stack trace:
#0 /var/www/html/wp-content/plugins/wp-simple-firewall/icwp-wpsf.php(44): require_once()
#1 /var/www/html/wp-includes/class-wp-hook.php(308): icwp_wpsf_init('')
#2 /var/www/html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#3 /var/www/html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /var/www/html/wp-settings.php(480): do_action('plugins_loaded')
#5 /var/www/html/wp-config.php(133): require_once('/var/www/html/w...')
#6 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#7 /var/www/html/wp-blog-header.php(16): require_once('/var/www/html/w...')
#8 /var/www/html/index.php(18): require('/var/www/html/w...')
#9 {main}
  thrown in /var/www/html/wp-content/plugins/wp-simple-firewall/init.php on line 61