Problem installing Joomla out of APS 9.5.2

[Chris Magnuson]

I am trying to install the latest Joomla using APS (the app is already loaded in the repository on Plesk) but when I do it I get this error, can anyone assist?

Install Web Application
ERROR: PleskException

usermng failed: usermng: Unable to getpwnam for user
usermng: Error: invalid user ''
0: sapp_requirements_check.php:145
getSiteConditionsSnapshot(integer '170', string 'domain')
1: fusion_siteapp_install.php:70
require(string '/usr/local/psa/admin/htdocs/siteapp/fusion_siteapp_install.php')
2: plesk.php:51

 

[IgorG]

Looks like some necessary user doesn't exists in system. /etc/passwd and /etc/groups should be investigated there...