Kolab 3.2 on Debian 7.5 installation problem

[Karol Krasňan]

Hello,
I am trying install Kolab 3.2 on Debian 7.5, but installation failed on 
cyrus-imapd package.
I proceeded steps according installation guide, for Debian Wheeze 
(http://docs.kolab.org/installation-guide/debian.html). And after 
/aptitude install kolab/ starts it fails with this error:

Unpacking cyrus-imapd (from 
.../cyrus-imapd_2.5~dev2014011701-0~kolab1_i386.deb) ...
Processing triggers for man-db ...
Setting up cyrus-imapd (2.5~dev2014011701-0~kolab1) ...
Creating/updating cyrus user account...
The user `cyrus' is already a member of `sasl'.
The user `cyrus' is already a member of `ssl-cert'.
Creating/updating cyrus control directories in /var/lib/imap...
Creating/updating partition spool /var/spool/imap...
Trying to optimize Cyrus partitions, edit /etc/default/cyrus-imapd to 
disable...
Setting attributes to -S -j for  /var/lib/imap...
Setting attributes to -S -j for  /var/spool/imap...
dpkg: error processing cyrus-imapd (--configure):
  subprocess installed post-installation script returned error exit 
status 127
Errors were encountered while processing:
  cyrus-imapd

I tried find some solution, but without success.

Thank you very much for help.
Karol
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