Undefined symbols for architecture x86_64: "_OBJC_CLASS_$_ABCAppCaller", referenced from: objc-class-ref in GitiTransferAccountsViewController.o ld: symbol(s) not found for architecture x86_64
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where does ABCAppCaller come from? is it included in your project? Does this build for the device or are you only having problems building for the simulator? – Michael Dautermann Sep 18 '17 at 06:43
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Bank to pay, only for the simulator, I have set everything I need， and is the architecture reason？Thank you for your reply！ – universe Sep 18 '17 at 09:16
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1And I find this:"Architectures in the fat file: libABCAppCaller.a are: armv7 arm64" Is this?? – universe Sep 18 '17 at 09:21
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You need to tell the people who supplied you with libABCAppCaller.a that they need to include symbols for the simulator.
If they ask you "how do I do that?", you can point them to this closely related question, especially the part where they can use lipo to link the simulator library and the device library into one universal static library.
Michael Dautermann
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@universe did you solve the problem with the solution that Michael supplied. Any details on the solution? – Matthew Ferguson Sep 25 '17 at 19:58
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@universe, Could you tell me how you fixed this ? am also facing same issue right now – Bhanuteja Oct 16 '18 at 09:54