public function child_item_not_found_handle( $type, $code ) {
		$item_not_found = true;
		if ( 'uo-trigger' === $type ) {
			$system_triggers = $this->get_triggers();
			if ( ! empty( $system_triggers ) ) {
				foreach ( $system_triggers as $trigger ) {
					if ( $trigger['code'] === $code ) {
						$item_not_found = false;
					}
				}
			} else {
				$item_not_found = false;
			}
		}
		if ( 'uo-action' === $type ) {
			$system_actions = $this->get_actions();
			if ( ! empty( $system_actions ) ) {
				foreach ( $system_actions as $action ) {
					if ( $action['code'] === $code ) {
						$item_not_found = false;
					}
				}
			} else {
				$item_not_found = false;
			}
		}
		if ( 'uo-closure' === $type ) {
			$system_closures = $this->get_closures();
			if ( ! empty( $system_closures ) ) {
				foreach ( $system_closures as $closure ) {
					if ( $closure['code'] === $code ) {
						$item_not_found = false;
					}
				}
			} else {
				$item_not_found = false;
			}
		}
		return $item_not_found;
	}