error.txt

whoeverest@do-server:/var/log/nginx$ sudo systemctl status znc.service
● znc.service - ZNC, an advanced IRC bouncer
   Loaded: loaded (/etc/systemd/system/znc.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sun 2020-01-05 17:19:49 UTC; 2min 38s ago
  Process: 2255 ExecStart=/usr/bin/znc -f --datadir=/var/lib/znc (code=exited, status=217/USER)
 Main PID: 2255 (code=exited, status=217/USER)

Jan 05 17:19:49 do-server systemd[1]: Started ZNC, an advanced IRC bouncer.
Jan 05 17:19:49 do-server systemd[2255]: znc.service: Failed at step USER spawning /usr/bin/znc: No such process
Jan 05 17:19:49 do-server systemd[1]: znc.service: Main process exited, code=exited, status=217/USER
Jan 05 17:19:49 do-server systemd[1]: znc.service: Unit entered failed state.
Jan 05 17:19:49 do-server systemd[1]: znc.service: Failed with result 'exit-code'.

znc-bin-is-here-indeed.txt

whoeverest@do-server:/var/log/nginx$ /usr/bin/znc --version
ZNC 1.6.3+deb1ubuntu0.2 - http://znc.in
IPv6: yes, SSL: yes, DNS: threads, charset: yes

znc.service

[Unit]
Description=ZNC, an advanced IRC bouncer
After=network-online.target

[Service]
ExecStart=/usr/bin/znc -f --datadir=/var/lib/znc
User=znc

[Install]
WantedBy=multi-user.target