- belongs_to :reported_user, :class_name => "User", :foreign_key => :reported_user_id
- belongs_to :user_resolved, :class_name => "User", :foreign_key => :resolved_by
- belongs_to :user_updated, :class_name => "User", :foreign_key => :updated_by
+ belongs_to :reported_user, :class_name => "User", :optional => true
+ belongs_to :user_resolved, :class_name => "User", :foreign_key => :resolved_by, :optional => true
+ belongs_to :user_updated, :class_name => "User", :foreign_key => :updated_by, :optional => true