https://sentry.io/organizations/the-sio2-project/issues/1512998050/?referrer=jira_plugin

{code}
NoReverseMatch: Reverse for 'contests_probleminstance_changelist' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
(11 additional frame(s) were not displayed)
...
  File "oioioi/base/admin.py", line 373, in delete_view
    return model_admin.delete_view(request, object_id, extra_context)
  File "oioioi/problems/admin.py", line 376, in delete_view
    return self.redirect_to_list(request, obj)
  File "oioioi/problems/admin.py", line 332, in redirect_to_list
    return redirect('oioioiadmin:contests_probleminstance_changelist')
  File "oioioi/contests/current_contest.py", line 105, in reverse
    return django_reverse(target, *args, **kwargs)

NoReverseMatch: Reverse for 'contests_probleminstance_changelist' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
{code}