Hi!Please give a solution
v-restart-service ‘exim4’ ‘yes’ [Error 20]
exim4.service - LSB: exim Mail Transport Agent
Loaded: loaded (/etc/init.d/exim4; generated)
Active: failed (Result: exit-code) since Sun 2022-02-13 11:53:57 MSK; 1h 11min ago
Docs: man:systemd-sysv-generator(8)
Process: 27245 ExecStart=/etc/init.d/exim4 start (code=exited, status=1/FAILURE)
Feb 13 11:53:57 mydomain.com systemd[1]: Starting LSB: exim Mail Transport Agent...
Feb 13 11:53:57 mydomain.com exim4[27245]: Starting MTA:2022-02-13 11:53:57 Exim configuration error in line 22 of /var/lib/e
Feb 13 11:53:57 mydomain.com exim4[27245]: main option "require_files" unknown
Feb 13 11:53:57 mydomain.com exim4[27245]: Invalid new configfile /var/lib/exim4/config.autogenerated.tmp, not installing
Feb 13 11:53:57 mydomain.com exim4[27245]: /var/lib/exim4/config.autogenerated.tmp to /var/lib/exim4/config.autogenerated
Feb 13 11:53:57 mydomain.com systemd[1]: exim4.service: Control process exited, code=exited, status=1/FAILURE
Feb 13 11:53:57 mydomain.com systemd[1]: exim4.service: Failed with result 'exit-code'.
Feb 13 11:53:57 mydomain.com systemd[1]: Failed to start LSB: exim Mail Transport Agent.