● nginx.service - A high performance web server and a reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset:>
     Active: failed (Result: exit-code) since Thu 2023-08-24 15:55:23 WAT; 5min>
       Docs: man:nginx(8)
    Process: 38647 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_proc>
        CPU: 16ms

Aug 24 15:55:23 debian systemd[1]: Starting A high performance web server and a>
Aug 24 15:55:23 debian nginx[38647]: nginx: [emerg] duplicate upstream "channel>
Aug 24 15:55:23 debian nginx[38647]: nginx: configuration file /etc/nginx/nginx>
Aug 24 15:55:23 debian systemd[1]: nginx.service: Control process exited, code=>
Aug 24 15:55:23 debian systemd[1]: nginx.service: Failed with result 'exit-code>
Aug 24 15:55:23 debian systemd[1]: Failed to start A high performance web serve>
lines 1-13/13 (END)