React Native Crashing Function

gistfile1.txt

- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
  __block UIView *hitView;

  [_stickyHeaderIndices enumerateIndexesWithOptions:0 usingBlock:^(NSUInteger idx, BOOL *stop) {
    UIView *stickyHeader = [self contentView].reactSubviews[idx];
    CGPoint convertedPoint = [stickyHeader convertPoint:point fromView:self];
    hitView = [stickyHeader hitTest:convertedPoint withEvent:event];
    *stop = (hitView != nil);
  }];

  return hitView ?: [super hitTest:point withEvent:event];
}

Line 6 can throw an exception.