我正在尝试广告应用，但我收到此错误，我不知道该怎么做。该应用程序有效，但广告没有出现，我认为它可能与该问题有关。我真的很擅长制作应用程序/编程，所以任何帮助都会非常感激！谢谢。
出现了以下问题：Apple Mach-O链接器（ID）警告
Ld "/Users/ANavarro/Library/Developer/Xcode/DerivedData/Animal_Sounds_Plus_App-edacugxnhvpqgxblqwcanzgnwdrc/Build/Products/Debug-iphonesimulator/Animal Sounds Plus App.app/Animal Sounds Plus App" normal i386
cd "/Users/ANavarro/Desktop/Animal Sounds Plus App"
setenv MACOSX_DEPLOYMENT_TARGET 10.6
setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk -L/Users/ANavarro/Library/Developer/Xcode/DerivedData/Animal_Sounds_Plus_App-edacugxnhvpqgxblqwcanzgnwdrc/Build/Products/Debug-iphonesimulator "-L/Users/ANavarro/Desktop/Animal Sounds Plus App/GoogleAdMobAdsSDK" "-L/Users/ANavarro/Desktop/Animal Sounds Plus App" -F/Users/ANavarro/Library/Developer/Xcode/DerivedData/Animal_Sounds_Plus_App-edacugxnhvpqgxblqwcanzgnwdrc/Build/Products/Debug-iphonesimulator -filelist "/Users/ANavarro/Library/Developer/Xcode/DerivedData/Animal_Sounds_Plus_App-edacugxnhvpqgxblqwcanzgnwdrc/Build/Intermediates/Animal Sounds Plus App.build/Debug-iphonesimulator/Animal Sounds Plus App.build/Objects-normal/i386/Animal Sounds Plus App.LinkFileList" -mmacosx-version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 -framework MessageUI -framework SystemConfiguration -framework AVFoundation -framework AudioToolbox -framework UIKit -framework Foundation -framework CoreGraphics -lGoogleAdMobAds -o "/Users/ANavarro/Library/Developer/Xcode/DerivedData/Animal_Sounds_Plus_App-edacugxnhvpqgxblqwcanzgnwdrc/Build/Products/Debug-iphonesimulator/Animal Sounds Plus App.app/Animal Sounds Plus App"
ld: warning: directory not found for option '-L/Users/ANavarro/Desktop/Animal Sounds Plus App/GoogleAdMobAdsSDK'