class ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection

def initialize(owner, reflection)
  super("Cannot modify association '#{owner.class.name}##{reflection.name}' because the source reflection class '#{reflection.source_reflection.class_name}' is associated to '#{reflection.through_reflection.class_name}' via :#{reflection.source_reflection.macro}.")
end