Your package nomacs failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17745304 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1253317 [details] build.log
Created attachment 1253318 [details] root.log
Created attachment 1253319 [details] state.log
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.
corsepiu's nomacs-3.4-3.fc26 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=849000