error downloading packages

After running satellite-installer --scenario satellite
a set of errors are given

failed to ensure rh-postgresql12-postgresql-server, rh-redis5-redis, forman-selinux, katello-selinux, ... are installed
error: execution of '/bin/yum/ -d 0 -e 0 -y install ....

followed by several error download packages

any idea what's going on?