Fail2Ban installation problem

[pascalV]

I try to install Fail2ban but the installation panel show the messages below and turn and turn.
Any ideas...

Odin
Installer et mettre à niveau les produits Odin
Produits traités :
Plesk 12.5.30
En cours...
Log d'opérations :
Installation started in background
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.ircam.fr
* extras: mirrors.ircam.fr
* updates: mirrors.ircam.fr
+ fail2ban
+ plesk-fail2ban-configurator

Packages en cours d'installation

**** Product prep-install started.

===> Checking for previous installation ... found.
Trying to upgrade Fail2Ban configuration (bootstrapper-prep stage)... Removing old '/etc/fail2ban.previous'

WARNING!
Some problems are found during attempt to status service fail2ban - control script doesn't exist or isn't executable(see log file: /var/log/plesk/install/plesk_12.5.30_installation.log)

Continue...

Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.ircam.fr
* extras: mirrors.ircam.fr
* updates: mirrors.ircam.fr
(1/2): fail2ban-0.9.2-centos6.15103017.noarch.rpm | 412 kB 00:00
(2/2): plesk-fail2ban-configurator-12.5.30-cos6.build120 | 182 kB 00:00
Running rpm_check_debug
Warning: XML answer is already sent (try to send ''
Warning: XML answer is already sent (try to send ''
Warning: XML answer is already sent (try to send ''
Warning: XML answer is already sent (try to send ''
Warning: XML answer is already sent (try to send ''
Warning: XML answer is already sent (try to send ''