Crash in iOS 11 in method - (UIButton*)customToolbarButtonImage:(UIImage*)image imageSelected:(UIImage*)selectedImage action:(SEL)action

[VishalSharma91]

I was getting the crash here when I turn on the property of IDM browser _displayArrowButton = YES
I got down to make change to method
- (UIButton*)customToolbarButtonImage:(UIImage*)image imageSelected:(UIImage*)selectedImage action:(SEL)action

from
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

To
UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];

and then it worked just fine. What can be the reason?
does anybody face the same thing ?