CentOS7 current Kolab 16 setup-kolab warnings/errors - please advise

[Josh]

# setup-kolab

Please supply a password for the LDAP administrator user 'admin', used 
to login
to the graphical console of 389 Directory server.

Administrator password [Mb0AG99AWpWsCy6]:
Confirm Administrator password:

Please supply a password for the LDAP Directory Manager user, which is the
administrator user you will be using to at least initially log in to the Web
Admin, and that Kolab uses to perform administrative tasks.

Directory Manager password [F0inbjLGrFc9CP0]:
Confirm Directory Manager password:

Please choose the system user and group the service should use to run under.
These should be existing, unprivileged, local system POSIX accounts with no
shell.

User [dirsrv]:
Group [dirsrv]:

This setup procedure plans to set up Kolab Groupware for the following 
domain
name space. This domain name is obtained from the reverse DNS entry on your
network interface. Please confirm this is the appropriate domain name space.

example.com [Y/n]: n
Domain name to use: example.name

The standard root dn we composed for you follows. Please confirm this is 
the root
dn you wish to use.

dc=example,dc=name [Y/n]:

Setup is now going to set up the 389 Directory Server. This may take a 
little
while (during which period there is no output and no progress indication).

Created symlink from 
/etc/systemd/system/multi-user.target.wants/dirsrv.target to 
/usr/lib/systemd/system/dirsrv.target.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/dirsrv at ipa.service to 
/usr/lib/systemd/system/dirsrv at .service.

Please supply a Cyrus Administrator password. This password is used by 
Kolab to
execute administrative tasks in Cyrus IMAP. You may also need the password
yourself to troubleshoot Cyrus IMAP and/or perform other administrative 
tasks
against Cyrus IMAP directly.

Cyrus Administrator password [Fl2382sMWUSO94K]:
Confirm Cyrus Administrator password:

Please supply a Kolab Service account password. This account is used by 
various
services such as Postfix, and Roundcube, as anonymous binds to the LDAP 
server
will not be allowed.

Kolab Service password [W2cWjBP3gIEofdX]:
Confirm Kolab Service password:
Creating missing database directory: "/var/lib/clamav"
ERROR: Failed to create database directory: "/var/lib/clamav"
Manually prepare the database directory, or re-run freshclam with higher 
privileges.
ERROR: Initialization error!
Created symlink from 
/etc/systemd/system/multi-user.target.wants/amavisd.service to 
/usr/lib/systemd/system/amavisd.service.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/clamd at amavisd.service to 
/etc/systemd/system/clamd at .service.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/wallace.service to 
/usr/lib/systemd/system/wallace.service.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/mariadb.service to 
/usr/lib/systemd/system/mariadb.service.
What MySQL server are we setting up?
  - 1: Existing MySQL server (with root password already set).
  - 2: Existing MySQL server (with unix_socket authentication plugin).
  - 3: New MySQL server (needs to be initialized).
Choice: 3

Please supply a root password for MySQL. This password will be the 
administrative
user for this MySQL server, and it should be kept a secret. After this setup
process has completed, Kolab is going to discard and forget about this 
password,
but you will need it for administrative tasks in MySQL.

MySQL root password [2YpoT12auY-5Wxc]:
Confirm MySQL root password:

Please supply a password for the MySQL user 'kolab'. This password will 
be used
by Kolab services, such as the Web Administration Panel.

MySQL kolab password [AKALBNWwlwa_Kb5]:
Confirm MySQL kolab password:

Please supply the timezone PHP should be using. You have to use a 
Continent or
Country / City locality name like 'Europe/Berlin', but not just 'CEST'.

Timezone ID [UTC]: America/New_York

Please supply a password for the MySQL user 'roundcube'. This password 
will be
used by the Roundcube webmail interface.

MySQL roundcube password [PJH5DqdHV17OG0K]:
Confirm MySQL roundcube password:
ERROR 1071 (42000) at line 8: Specified key was too long; max key length 
is 767 bytes
Created symlink from 
/etc/systemd/system/multi-user.target.wants/httpd.service to 
/usr/lib/systemd/system/httpd.service.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/kolab-saslauthd.service to 
/usr/lib/systemd/system/kolab-saslauthd.service.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/cyrus-imapd.service to 
/usr/lib/systemd/system/cyrus-imapd.service.
Created symlink from 
/etc/systemd/system/multi-user.target.wants/kolabd.service to 
/usr/lib/systemd/system/kolabd.service.
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