Your package ecl failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17714129 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
jjames's ecl-16.1.3-1.fc26 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=861872
Fixed in Rawhide and upstream.