Your package po-debconf failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12857165 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1125665 [details] build.log
Created attachment 1125666 [details] root.log
Created attachment 1125667 [details] state.log
oron's po-debconf-1.0.16-7.nmu2.fc24 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=735810
Rawhide now has po-debconf-1.0.16-7.nmu2.fc24 which fix the bug.