Cannot find a valid baseurl for repo: trinity-r14/x86_64 ?

CentOS 7, Trinity 14.0.6. Nvidia drivers make me nervous about updates so I'm a little behind ... like 1197 packages. 1196 of them were fine, trinity-tdm was not fine. Now I get Cannot find a valid baseurl for repo: trinity-r14/x86_64 Yes, this is after a 'yum clean all' Ideas? -- Peter Laws, BS, MRCP / N5UWY National Weather Center / Network Operations Center University of Oklahoma Information Technology plaws(a)ou.edu