hi, I am running into a problem wih installing apps from marketplace. I can select an app but when installing it starts but respinds with message Details
Error, no packages selected for install.

in etc//yum/yum.repos.d/ the following is found:

/etc/yum/yum.repos.d/centos-sclo-scl-rh-unverified.repo
/etc/yum/yum.repos.d/centos-sclo-scl-unverified.repo
/etc/yum/yum.repos.d/centos-unverified.repo
/etc/yum/yum.repos.d/centos-unverified.repo.rpmnew
/etc/yum/yum.repos.d/clearos-centos-sclo-scl-rh.repo
/etc/yum/yum.repos.d/clearos-centos.repo
/etc/yum/yum.repos.d/clearos-centos.repo.rpmnew
/etc/yum/yum.repos.d/clearos-epel.repo
/etc/yum/yum.repos.d/clearos-epel.repo.rpmnew
/etc/yum/yum.repos.d/clearos-fast-updates.repo
/etc/yum/yum.repos.d/clearos.repo
/etc/yum/yum.repos.d/epel-unverified.repo
/etc/yum/yum.repos.d/plex.repo
/etc/yum.repos.d/ownCloud.repo

Any help please? Thanks