fusioninventory-agent-debuginfo-2.3.15-2 is empty. Should the (main) package be noarch just like all the subpackages? If not (why?) and if there's nothing to extract debug info from, the -debuginfo subpackage should be explicitly disabled.
fusioninventory-agent-2.3.15-3.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/fusioninventory-agent-2.3.15-3.fc21
fusioninventory-agent-2.3.15-3.fc21 has been pushed to the Fedora 21 testing repository.
fusioninventory-agent-2.3.15-4.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/fusioninventory-agent-2.3.15-4.fc21
fusioninventory-agent-2.3.16-1.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/fusioninventory-agent-2.3.16-1.fc21
fusioninventory-agent-2.3.16-1.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.