Plugins » Katello

$ hammer hostgroup create --name potato --content-source-id 92 # does not exist
Could not create the hostgroup:
  PG::ForeignKeyViolation: ERROR:  insert or update on table "hostgroups" violates foreign key constraint "hostgroups_content_source_id_fk" 
  DETAIL:  Key (content_source_id)=(92) is not present in table "smart_proxies".
  : INSERT INTO "hostgroups" ("name", "created_at", "updated_at", "title", "content_source_id", "lookup_value_matcher") VALUES ($1, $2, $3, $4, $5, $6) RETURNING "id" 

This isn't specific to hammer.