Your package bluecurve-classic-metacity-theme failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12807998 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1124120 [details] build.log
Created attachment 1124121 [details] root.log
Created attachment 1124122 [details] state.log
This bug appears to have been reported against 'rawhide' during the Fedora 24 development cycle. Changing version to '24'. More information and reason for this action is here: https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora24#Rawhide_Rebase
error: Empty %files file /builddir/build/BUILD/bluecurve-classic-metacity-theme-1.0.0/bluecurve-classic-metacity-theme.lang empty %files -f files are no longer accepted. All references to %find_lang and %{name}.lang should be removed if there are no translations.
http://pkgs.fedoraproject.org/cgit/rpms/bluecurve-classic-metacity-theme.git/commit/?id=1204a7c3c28576fb94b2c35aee84eef7eb65a56d