Same as https://github.com/facebook/react/issues/10103, but for the server renderer. You can look at implementation in https://github.com/facebook/react/pull/11168 and do something very similar in `ReactPartialRenderer.js`.
case CallComponent:
        return updateCallComponent(
          current,
          workInProgress,
          renderExpirationTime,
        );
      case ReturnComponent:
        
        
        return null;
      case HostPortal:
        return updatePortalComponent(
          current,
          workInProgress,
          renderExpirationTime,
        );
      case Fragment:
        return updateFragment(current, workInProgress);
      default:
        invariant(
          false,
          'Unknown unit of work tag. This error is likely caused by a bug in ' +
            'React. Please file an issue.',
        );
    }
  }
  function beginFailedWork(
    current: Fiber | null,
    workInProgress: Fiber,