Your package ara failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24767521 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
Fixed in https://src.fedoraproject.org/rpms/ara/c/358b3ba5383ed21f61fa932ebc72edf63a0657cd?branch=master