ios - storekit フレームワークが iOS シミュレーター 5.1 で機能しない

Question

dyld: Symbol not found: _OBJC_CLASS_$_SKStoreProductViewController
  Referenced from: /Users/fazal/Library/Application Support/iPhone Simulator/5.1/Applications/CCA58B68-1765-4697-BCC9-8EC251CADC66/Motorcycle Race Track Free.app/Motorcycle Race Track Free
  Expected in: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.1.sdk/System/Library/Frameworks/StoreKit.framework/StoreKit