No puedo instalar Pararels Plesk debido a un error 
Texto del error:
10%..20%..30%..40%..50%..62%..70%..81%..92%..100% finalizado.
Descargando el archivo SITEBUILDER_10.3.0/thirdparty-rpm-RedHat-all-all/thirdparty-10.3.0-rhall-all.hdr.gz: 100% finalizado.
Descargando el archivo SITEBUILDER_10.3.0/update-rpm-RedHat-all-all/update-10.3.0-rhall-all.hdr.gz: 100% finalizado.
Determinando qué paquetes deben instalarse.
skip package 'ruby-actionmailer-1.3.3-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-actionmailer-1.3.3-200705221357.noarch)
skip package 'ruby-actionpack-1.13.3-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-actionpack-1.13.3-200705221357.noarch)
skip package 'ruby-actionwebservice-1.2.3-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-actionwebservice-1.2.3-200705221357.noarch)
skip package 'ruby-activerecord-1.15.3-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-activerecord-1.15.3-200705221357.noarch)
skip package 'ruby-activesupport-1.4.2-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-activesupport-1.4.2-200705221357.noarch)
skip package 'ruby-fcgi-0.8.7-200705221357.x86_64' from component ruby - there is same or newer version of this package is installed (in system ruby-fcgi-0.8.7-200705221357.x86_64)
skip package 'ruby-mysql-2.7-200705221357.x86_64' from component ruby - there is same or newer version of this package is installed (in system ruby-mysql-2.7-200705221357.x86_64)
skip package 'ruby-rails-1.2.2-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-rails-1.2.2-200705221357.noarch)
skip package 'ruby-rake-0.7.1-200705221357.noarch' from component ruby - there is same or newer version of this package is installed (in system ruby-rake-0.7.1-200705221357.noarch)
Warning: key package psa-mail-qc-driver is not available
skip package 'drweb-bases-5.0.1-0.i386' from component drweb - there is same or newer version of this package is installed (in system drweb-bases-5.0.1-0.i386)
skip package 'drweb-common-5.0.1-0plesk.i386' from component drweb - there is same or newer version of this package is installed (in system drweb-common-5.0.1-0plesk.i386)
skip package 'drweb-daemon-5.0.1-0plesk.i386' from component drweb - there is same or newer version of this package is installed (in system drweb-daemon-5.0.1-0plesk.i386)
skip package 'drweb-updater-5.0.1-0plesk.i386' from component drweb - there is same or newer version of this package is installed (in system drweb-updater-5.0.1-0plesk.i386)
Warning: unresolved requires 'glibc-common = 2.5-34' from glibc-2.5-34.i686
Warning: unresolved requires 'glibc-common = 2.5-34.el5_3.1' from glibc-2.5-34.el5_3.1.i686
Warning: unresolved requires 'glibc-common = 2.5-42' from glibc-2.5-42.i686
Warning: unresolved requires 'glibc-common = 2.5-42.el5_4.2' from glibc-2.5-42.el5_4.2.i686
Warning: unresolved requires 'glibc-common = 2.5-24.el5_2.2' from glibc-2.5-24.el5_2.2.i686
Warning: unresolved requires 'glibc-common = 2.5-42.el5_4.3' from glibc-2.5-42.el5_4.3.i686
Warning: unresolved requires 'glibc-common = 2.5-49' from glibc-2.5-49.i686
Warning: unresolved requires 'glibc-common = 2.5-49.el5_5.2' from glibc-2.5-49.el5_5.2.i686
Warning: unresolved requires 'glibc-common = 2.5-49.el5_5.4' from glibc-2.5-49.el5_5.4.i686
A dependency problem is found: required package plesk-core-10.12.0-cos5.build1012110629.18.x86_64 conflicts with psa-api-10.2.0-cos5.build102100709.06.noarch. No upgrade or obsolete solution was found for psa-api. Try to add psa-api to removable list.Problem occured during searching conflicts for package plesk-core-10.12.0-cos5.build1012110629.18.x86_64 ERROR: No se puede continuar con la instalación hasta que se elimine el paquete psa-api-10.2.0-cos5.build102100709.06.noarch del sistema.
No se han instalado todos los paquetes.
Resuelva este problema e intente instalar los paquetes de nuevo.
Si no puede resolver el problema, contacte con el equipo de soporte técnico del producto para solicitar asistencia.
