duplicate key value violates unique constraint

Hi all. What does this error mean? <class 'psycopg2.IntegrityError'>: duplicate key value violates unique constraint "rpminfo_unique_nvra" DETAIL: Key (name, version, release, arch, external_repo_id)=(cmake-data, 3.9.0, 8.fc26, noarch, 38) already exists. Build: http://koji.rpmfusion.org/koji/taskinfo?taskID=154032 -- -- Antonio Trande sagitter AT fedoraproject dot org See my vCard.