Your package jack-audio-connection-kit failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12824791 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1124999 [details] build.log
Created attachment 1125000 [details] root.log
Created attachment 1125001 [details] state.log
Fixed in rawhide. jack-audio-connection-kit-1.9.10-5.fc24 http://koji.fedoraproject.org/koji/taskinfo?taskID=12973372