Warning: Constant WFWAF_AUTO_PREPEND already defined in /var/www/html/web/app/plugins/wordfence/wordfence.php on line 109

Fatal error: Uncaught Error: Call to a member function setRules() on null in /var/www/html/web/app/plugins/wordfence/lib/wordfenceClass.php:1116
Stack trace:
#0 /var/www/html/web/app/plugins/wordfence/lib/wordfenceClass.php(1878): wordfence::initProtection()
#1 /var/www/html/web/wp/wp-includes/class-wp-hook.php(308): wordfence::veryFirstAction('')
#2 /var/www/html/web/wp/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#3 /var/www/html/web/wp/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /var/www/html/web/wp/wp-settings.php(480): do_action('plugins_loaded')
#5 /var/www/html/web/wp-config.php(10): require_once('/var/www/html/w...')
#6 /var/www/html/web/wp/wp-load.php(55): require_once('/var/www/html/w...')
#7 /var/www/html/web/wp/wp-blog-header.php(13): require_once('/var/www/html/w...')
#8 /var/www/html/web/index.php(5): require('/var/www/html/w...')
#9 {main}
  thrown in /var/www/html/web/app/plugins/wordfence/lib/wordfenceClass.php on line 1116