При архивировании возникает такая ошибка:

Projects/Dossier/MultiDocument/Helpers/GAD/libGoogleAdMobAds.a(GADGestureCFiles.o)
    duplicate symbol _tohex in:
        /Users/shmidt/Documents/App Development/Xcode Projects/Dossier/MultiDocument/Helpers/GAD/libGoogleAdMobAds.a(rc4.o)
        /Users/shmidt/Documents/App Development/Xcode Projects/Dossier/MultiDocument/Helpers/GAD/libGoogleAdMobAds.a(GADGestureCFiles.o)
    ld: 64 duplicate symbols for architecture armv7s