NSConstraintBasedLayoutDeferOptimization

I am getting one crash with "NSConstraintBasedLayoutDeferOptimization" error. I my app, having one textview with tap gesture which opens pickerview as a inputview added in textview.

Whenever, I tap on textview app gets crashed.

Not able to find exact reason for this crash.

NSConstraintBasedLayoutDeferOptimization
 
 
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