I have a built-in Facebook SDK (4.15.1) in my application. For iOS9, my application works correctly and does not crash when a user logs in. If I run the same application on an iOS8 device and try to log in, then the application crashes:
Completion of the application due to uncaught exception "NSInvalidArgumentException", reason: " " setObjectForKey: the object can not be nil (key: logging_token) '* first stack roll call: (0x294ad45f 0x37343c8b 0x293cac53 0x11941f 0x119909 0x1198a5 0x123bcb 0x11980b 0x119741 0x115571 0x1185cf 0x2c9fae7f 0x2c9fae21 0x2c9e5c43 0x2c9fa88d 0x2c9fa567 0x2c9f3e31 0x2c9ca759 0x2cc3e2f9 0x2c9c91a9 0x29473fbf 0x294733cf 0x29471a35 0x293bf3b1 0x293bf1c3 0x309ec201 0x2ca29fdbj 0x2ca29fdfjbfjcjfcbfcbfcfcfc
I cross-checked my info.plist and noticed that everything was configured correctly.
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