Group 'swkey-data' installation error

[GeertH]

Parallels Plesk, v10.4.4, CentOS 64bit

When i try to install Plesk v10.4.4 it stops after giving me the following error message. What can i do about this?

./parallels_installer_v3.11.0_build111102.17_os_CentOS_6_x86_64

**** Product prep-install started.

===> Checking for previous installation ... not found.
Create user 'psaadm' and group 'psaadm'
Checking for the group 'psaadm'...
Group 'psaadm' already exists

Checking for the user 'psaadm'...
User 'psaadm' already exists

Create group swkey-data
Checking for the group 'swkey-data'...
Group 'swkey-data' already exists

Checking for the group 'swkey-data'...
Trying to add supplementary group 'swkey-data' for user 'psaadm'... already there
Create Mail accounts
Checking for the group 'popuser'...
Group 'popuser' already exists

Checking for the user 'popuser'...
User 'popuser' already exists

Checking for the user 'mhandlers-user'...
User 'mhandlers-user' already exists

Trying to got legacy variables... done
Trying to save legacy variables... done
Checking for the system groups and users necessary for ftp server...
Checking for the group 'psaftp'...
Group 'psaftp' already exists

Checking for the user 'psaftp'...
User 'psaftp' already exists


ERROR while trying to add supplementary group 'swkey-data' for user 'psaadm'
Check the error reason(see log file: /tmp/plesk_10.4.4_installation.log), fix and try again

tac: write error: Broken pipe
***** problem report *****
ERROR while trying to add supplementary group 'swkey-data' for user 'psaadm'
Check the error reason(see log file: /tmp/plesk_10.4.4_installation.log), fix and try again

 

[IgorG]

Look at this solution - http://forum.parallels.com/showpost.php?p=460984&postcount=12
Maybe it will help.