NoReverseMatch: Reverse for 'ixo.views.list' not found. 'ixo.views.list' is not a valid view function or pattern ...

Sentry Issue: LTS2WEBSITE-1

NoReverseMatch: Reverse for 'ixo.views.list' not found. 'ixo.views.list' is not a valid view function or pattern name.
(20 additional frame(s) were not displayed)
...
  File "/www/lts2.epfl.ch/git-repo/lts2website/lts2theme/templates/base.html", line 11
    {% cache 86400 include_head_web2018 %}{% include_head %}{% endcache %}