objective-c - iOS 10 compiler error

Question

Class CPImage is implemented in both /System/Library/PrivateFrameworks/CorePDF.framework/CorePDF (0x372354d8) and /var/containers/Bundle/Application/22BFE3B3-F21E-4719-A7C2-317A9A110DA9/U8V125Release.app/U8V125Release (0x155424c). One of the two will be used. Which one is undefined.

Using Xcode 8.1, this error is reported on iOS 10 and above. Versions before iOS 10 do not have these problems

Can anyone help me locate it?

Answer 1

CPImage class is implemented in two places, find it yourself