Your package xbase failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17793867 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1254912 [details] build.log
Created attachment 1254913 [details] root.log
Created attachment 1254914 [details] state.log
Fixed in rawhide (xbase-3.1.2-15.fc26).