Your package R-combinat failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6931383 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903366 [details] build.log
Created attachment 903367 [details] root.log
Created attachment 903368 [details] state.log
Created attachment 909828 [details] Patch for rawhide This is a change in R-3.0 explained here: http://cran.r-project.org/doc/manuals/R-exts.html#Package-namespaces Patch for rawhide attached.
R-combinat-0.0.8-9.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/R-combinat-0.0.8-9.fc20
Package R-combinat-0.0.8-9.fc20: * should fix your issue, * was pushed to the Fedora 20 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing R-combinat-0.0.8-9.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-7601/R-combinat-0.0.8-9.fc20 then log in and leave karma (feedback).
R-combinat-0.0.8-9.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.