Version-Release number of selected component:
python3-dnf-1.1.0-2.fc23

Additional info:
reporter:       libreport-2.6.2
cmdline:        python3 /usr/lib/python3.4/site-packages/dnf/cli/completion_helper.py install Down -d 0 -q -C
executable:     /usr/lib/python3.4/site-packages/dnf/cli/completion_helper.py
kernel:         4.2.0-300.fc23.x86_64
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
repo.py:793:load:dnf.exceptions.RepoError: Cache-only enabled but no cache for 'updates'

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/dnf/cli/completion_helper.py", line 191, in <module>
    main(sys.argv[1:])
  File "/usr/lib/python3.4/site-packages/dnf/cli/completion_helper.py", line 187, in main
    cli.run()
  File "/usr/lib/python3.4/site-packages/dnf/cli/cli.py", line 1082, in run
    self._process_demands()
  File "/usr/lib/python3.4/site-packages/dnf/cli/cli.py", line 804, in _process_demands
    load_available_repos=lar)
  File "/usr/lib/python3.4/site-packages/dnf/base.py", line 244, in fill_sack
    self._add_repo_to_sack(r.id)
  File "/usr/lib/python3.4/site-packages/dnf/base.py", line 104, in _add_repo_to_sack
    repo.load()
  File "/usr/lib/python3.4/site-packages/dnf/repo.py", line 793, in load
    raise dnf.exceptions.RepoError(msg)
dnf.exceptions.RepoError: Cache-only enabled but no cache for 'updates'

Local variables in innermost frame:
msg: "Cache-only enabled but no cache for 'updates'"
self: <Repo updates>