Privilege separation user sshd does not exist

/sbin/init.d # ./secsh start
Privilege separation user sshd does not exist
EXIT CODE: 255

so...

/sbin/init.d # useradd -u 103 -c "sshd privsep" -d /var/empty -s /bin/false sshd

if you want to specify group, -g yourproblem