_hideForKeyboardAppearance error when clicking on UITextView

I have a UITextView, and whenever I click on it, the app crashes with the following error:

-[__NSSetM _hideForKeyboardAppearance]: unrecognized selector sent to instance 0x7fb8aa76cd60

If I run the app multiple times, it always crashes at the same place, but the intercepting object that is throwing the "unrecoginzed selector" can be different. Sometimes it is UIImage instead of NSSetM, sometimes, it is a UIConstraint, etc.

Even if I don't assign the UITextView to a specific outlet in my class, or have it assigned to a delegate, I get the same behavior. This happens on both simulator and hardware.

Any ideas what is going on?

p.s. this is iOS 8. Crash happens on both iPhone and iPad.

Edit: Note that this happens even though the UITextView calls no code. I removed any outlet connections in the storyboard, and even made it so my class doesn't implement UITextViewDelegate. Still crashes. That is why I am so puzzled and wondered if anyone has ever encountered something like this. One thing to note is that the view controller having this issue is buried several screens deep within a UISplitViewController. Not sure if someone UI elements buried deep in the nav stack are somehow intercepting the keyboard call?

Category:ios Views:12 Time:2019-03-22

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