Your package dolphin-emu failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24779822 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
Fixed in an update, pushed to batched yesterday: https://bodhi.fedoraproject.org/updates/FEDORA-2018-e3f8291b1d