Your package rusers failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24892743 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
FTBFS due to: https://fedoraproject.org/wiki/Changes/SunRPCRemoval Fixed in: https://src.fedoraproject.org/rpms/rusers/c/34722bd4b3e011be2b0a8034ea700bd6407d9ee7?branch=f28
rusers-0.17-89.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-ba2b760521
rusers-0.17-89.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-ba2b760521
rusers-0.17-90.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-ba2b760521
rusers-0.17-90.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-ba2b760521
rusers-0.17-90.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.