(probably) Local timezone is somewhere used for non-finished tasks. When task finishes, correcta data from db are used and error is no longer visible.
Created Fri, 03 Jan 2020 11:17:24 UTC Started Fri, 03 Jan 2020 11:17:59 UTC Total time -1:59:42 Task time -1:59:07
Metadata Update from @jcupova: - Custom field Size adjusted to None - Issue tagged with: testing-done
Metadata Update from @tkopecek: - Issue set to the milestone: 1.20.1 (was: 1.21)
Commit 64d78d36 fixes this issue
Commit 79d96c70 fixes this issue
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/1915
Please continue any further discussion there.