Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'UICollectionView must be initialized with a non-nil layout parameter'

[zhangylios]

您好，请问这个是什么问题导致的？Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'UICollectionView must be initialized with a non-nil layout parameter' 版本： 0.2.0 奔溃代码：

• (LTAdvancedManager )managerView { if (_managerView == nil) { _managerView = [[LTAdvancedManager alloc] initWithFrame:CGRectMake(0, NavgationBarHeight, ScreenWidth, ScreenHeight-NavgationBarHeight-PortraitSafeAreaBottom) viewControllers:self.viewControllers titles:self.titles currentViewController:self layout:self.layout titleView:self.titleView headerViewHandle:^UIView _Nonnull {

      return self.headView;
  }];
  
  /* 设置代理 监听滚动 */
  _managerView.delegate = self;
  
  /* 设置悬停位置 */
  // _managerView.hoverY = 64;
  
  /* 点击切换滚动过程动画 */
  // _managerView.isClickScrollAnimation = YES;
  
  /* 代码设置滚动到第几个位置 */
  // [_managerView scrollToIndexWithIndex:self.viewControllers.count - 1];

  } return _managerView; }

[gltwy]

@zhangylios UICollectionView must be initialized with a non-nil layout parameter