Tag Archives: reason: ‘-[NSConcreteMu

*** Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘-[NSConcreteMu

*** Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘-[NSConcreteMutableData wbsdk_base64EncodedString]: unrecognized selector sent to instance 0x78ee7e20’ libc++abi.dylib: terminating with uncaught exception of type NSException

Add -ObjC to Other Linker Flags Remember: add it under both release and debug