same problem from 5th Sep, error from /var/log/messages:
/etc/proftpd.d/ no such directory error in #95 /etc/proftpd.conf
system:
CentOS 6.7
12.0.18 Update #62
# rpm -qa | grep proftpd
psa-proftpd-1.3.6-8.el6.art.x86_64
psa-proftpd-xinetd-1.3.6-8.el6.art.x86_64
# rpm -q --changelog...