Your package coin-or-Couenne failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17712267 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1251642 [details] build.log
Created attachment 1251643 [details] root.log
Created attachment 1251644 [details] state.log
corsepiu's coin-or-Couenne-0.5.6-4.fc26 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=841383