lost connection: connect to Milter service unix:/run/opendkim/opendkim.sock: No such file or directory

[softwarrior]

Device: Raspberry pi 5
OS CasaOS v0.4.13

I installed and setup by info from https://www.wpdiaries.com/mail-forwarder/

Result in postfix.log

Nov 30 23:57:30 softwarrior postfix/postfix-script[102]: starting the Postfix mail system
Nov 30 23:57:30 softwarrior postfix/master[104]: daemon started -- version 3.5.16, configuration /etc/postfix
Nov 30 23:57:31 softwarrior postfix/smtpd[308]: connect from localhost[127.0.0.1]
Nov 30 23:57:31 softwarrior postfix/smtpd[308]: warning: connect to Milter service unix:/run/opendkim/opendkim.sock: No such file or directory
Nov 30 23:57:31 softwarrior postfix/smtpd[308]: lost connection after EHLO from localhost[127.0.0.1]
Nov 30 23:57:31 softwarrior postfix/smtpd[308]: disconnect from localhost[127.0.0.1] ehlo=1 commands=1

I have read about these problems
https://unix.stackexchange.com/questions/74477/postfix-smtpd-warning-connect-to-milter-service-unix-var-run-opendkim-opendki/74491#74491

Please help, how can fix it.