未だエラーが出続ける状況... ↓Issue Navigatorに表示されるメッセージ Undefined symbols for architecture i386: "_OBJC_CLASS_$_ASIdentifierManager", referenced from: objc-class-ref in libGoogleAdMobAds.a(GADIdentifierUtilities.o) "_OBJC_CLASS_$_SKStoreProductViewController", referenced from: objc-class-ref in libGoogleAdMobAds.a(GADOpener.o) "_SKStoreProductParameterITunesItemIdentifier", referenced from: -[GADOpener openIn