503 service unavailable

Hello

I am facing

Service Unavailable

The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

Error on all the websites hosted. I have restarted the server, generated apache conf files, but invain. My cwp pro license expired last night, i have purchased it but the error is still there. Please help me out

Thanks

hi whats in the error logs?

Here is the tail log:

[root@server domlogs]# tail infinityicon.com.error.log
[Fri Feb 21 22:25:00.115954 2020] [proxy:error] [pid 1851:tid 140201596069632] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /opt/alt/php-fpm72/usr/var/sockets/nomi.sock (*) failed
[Fri Feb 21 22:25:00.116021 2020] [proxy_fcgi:error] [pid 1851:tid 140201596069632] [client 213.112.136.140:58296] AH01079: failed to make connection to backend: httpd-UDS
[Fri Feb 21 22:25:00.475136 2020] [proxy:error] [pid 1915:tid 140201389143808] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /opt/alt/php-fpm72/usr/var/sockets/nomi.sock (*) failed
[Fri Feb 21 22:25:00.475203 2020] [proxy_fcgi:error] [pid 1915:tid 140201389143808] [client 213.112.136.140:58297] AH01079: failed to make connection to backend: httpd-UDS
[Fri Feb 21 22:26:01.321092 2020] [proxy:error] [pid 1851:tid 140201456285440] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /opt/alt/php-fpm72/usr/var/sockets/nomi.sock (*) failed
[Fri Feb 21 22:26:01.321162 2020] [proxy_fcgi:error] [pid 1851:tid 140201456285440] [client 209.17.96.226:60921] AH01079: failed to make connection to backend: httpd-UDS
[Fri Feb 21 22:27:23.824640 2020] [proxy:error] [pid 1915:tid 140201338787584] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /opt/alt/php-fpm72/usr/var/sockets/nomi.sock (*) failed
[Fri Feb 21 22:27:23.824705 2020] [proxy_fcgi:error] [pid 1915:tid 140201338787584] [client 213.112.136.140:58310] AH01079: failed to make connection to backend: httpd-UDS
[Fri Feb 21 22:27:24.340106 2020] [proxy:error] [pid 1915:tid 140201405929216] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /opt/alt/php-fpm72/usr/var/sockets/nomi.sock (*) failed
[Fri Feb 21 22:27:24.340190 2020] [proxy_fcgi:error] [pid 1915:tid 140201405929216] [client 213.112.136.140:58311] AH01079: failed to make connection to backend: httpd-UDS

check the fpm log also
/opt/alt/php-fpm72/usr/var/log/php-fpm.log

Please check this.

[logs removed]

logs for user nomi not any other users.