ModelBase object argument after ** must be a mapping, not str On Sync

Hello guys! When a try sync this repo http://vault.centos.org/5.11/os/x86_64/ i recieve this error message:
ModelBase object argument after ** must be a mapping, not str

In logs:

katello-3.17.0-1.el7.noarch
foreman-2.2.1-1.el7.noarch

The others repos sync normaly, anyone can help-me?