My app get crashed today while updating on Xcode9, testing on iOS11.
After adding NSPhotoLibraryAddUsageDescription then it works, even i already had NSPh
Simple get from Apple Official Document
Just click on above image for ZOOM and read it.
For more information on:
NSPhotoLibraryAddUsageDescription: If you want to save a photo/image to your Photo Library. For iOS11 and +
NSPhotoLibraryUsageDescription: If you want to access your Photo Library. For iOS10 and +