how to handle it?

root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# nginx -t -c /etc/nginx/nginx.conf
nginx: [emerg] unknown directive "        listen" in /etc/nginx/sites-enabled/dankerdan.my.id:2
nginx: configuration file /etc/nginx/nginx.conf test failed
root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# sudo service nginx restart
Job for nginx.service failed because the control process exited with error code.
See "systemctl status nginx.service" and "journalctl -xe" for details.
root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# nginx -t -c /etc/nginx/nginx.conf
nginx: [emerg] unknown directive "        listen" in /etc/nginx/sites-enabled/dankerdan.my.id:2
nginx: configuration file /etc/nginx/nginx.conf test failed
root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# nginx -t
nginx: [emerg] unknown directive "        listen" in /etc/nginx/sites-enabled/dankerdan.my.id:2
nginx: configuration file /etc/nginx/nginx.conf test failed
root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# sudo service nginx stop
root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# sudo service nginx start
Job for nginx.service failed because the control process exited with error code.
See "systemctl status nginx.service" and "journalctl -xe" for details.
root@ubuntu-s-1vcpu-1gb-intel-sgp1-01:~# systemctl status nginx.service
● nginx.service - The nginx HTTP and reverse proxy server
     Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Thu 2022-12-22 20:37:20 WIB; 17s ago
    Process: 52174 ExecStartPre=/opt/nginx/sbin/nginx -t (code=exited, status=203/EXEC)
Dec 22 20:37:20 ubuntu-s-1vcpu-1gb-intel-sgp1-01 systemd[1]: Starting The nginx HTTP and reverse proxy server...
Dec 22 20:37:20 ubuntu-s-1vcpu-1gb-intel-sgp1-01 systemd[52174]: nginx.service: Failed to execute command: No such file or directoryDec 22 20:37:20 ubuntu-s-1vcpu-1gb-intel-sgp1-01 systemd[52174]: nginx.service: Failed at step EXEC spawning /opt/nginx/sbin/nginx:>Dec 22 20:37:20 ubuntu-s-1vcpu-1gb-intel-sgp1-01 systemd[1]: nginx.service: Control process exited, code=exited, status=203/EXEC
Dec 22 20:37:20 ubuntu-s-1vcpu-1gb-intel-sgp1-01 systemd[1]: nginx.service: Failed with result 'exit-code'.
Dec 22 20:37:20 ubuntu-s-1vcpu-1gb-intel-sgp1-01 systemd[1]: Failed to start The nginx HTTP and reverse proxy server.
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