Your package sugar-tamtam failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=7008435 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 906859 [details] build.log
Created attachment 906860 [details] root.log
Created attachment 906861 [details] state.log
This was due to bug 1074286; it just needs to be resubmitted to koji.
http://koji.fedoraproject.org/koji/buildinfo?buildID=536419