protected function submit_error( $error, $posted_data, $action ) {

		/**
		 * Filter the error return when the insert/update fails.
		 *
		 * The dynamic portion of this hook, `$action`, can be either "registration" or "update".
		 *
		 * @since 3.0.0
		 * @since 5.0.0 Moved from `LLMS_Person_Handler::insert_data()`.
		 *
		 * @param WP_Error $error       Error object.
		 * @param array    $posted_data Array of user-submitted data.
		 * @param string   $action      Submission action, either "registration" or "update"!
		 */
		return apply_filters( "lifterlms_user_{$action}_failure", $error, $posted_data, $action );

	}