erlang-riak_core has broken dependencies in the epel-6 tree: On x86_64: erlang-riak_core-1.1.2-3.el6.x86_64 requires erlang-webmachine(x86-64) On i386: erlang-riak_core-1.1.2-3.el6.i686 requires erlang-webmachine(x86-32) On ppc64: erlang-riak_core-1.1.2-3.el6.ppc64 requires erlang-webmachine(ppc-64) Please resolve this as soon as possible.