ERROR: [pool www] unable to set listen address as it’s already used in another pool
Error on php-fpm
command: systemctl restart php-fpm
Error Info on: php-fpm -t
solution: Go to the folder cd /etc/php-fpm.d
you will get .conf files there just rename www.conf to www.conf.sample
The issue is caused due to having multiple conf files for single host so if you have please change the name.