Build Errors while using admobs

CommandInvokationFailure: Failed to re-package resources. See the Console for details. C:\Users\VictorJohn\Documents\adt-bundle-windows-x86_64-20140702\sdk\build-tools\24.0.1\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "C:/Users/VictorJohn/Documents/adt-bundle-windows-x86_64-20140702/sdk\platforms\android-21\android.jar" -F bin/resources.ap_

stderr[ AndroidManifest.xml:20: error: Error: No resource found that matches the given name (at 'theme' with value '@style/UnityThemeSelector').

] stdout[ Configurations: (default) ldpi-v4 hdpi-v4 xhdpi-v4 xxhdpi-v4 xxxhdpi-v4

Files: drawable\app_icon.png Src: () res\drawable\app_icon.png Src: (ldpi-v4) res\drawable-ldpi\app_icon.png Src: (hdpi-v4) res\drawable-hdpi\app_icon.png Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png Src: (xxxhdpi-v4) res\drawable-xxxhdpi\app_icon.png values\strings.xml Src: () res\values\strings.xml AndroidManifest.xml Src: () AndroidManifest.xml

Resource Dirs: Type drawable drawable\app_icon.png Src: () res\drawable\app_icon.png Src: (ldpi-v4) res\drawable-ldpi\app_icon.png Src: (hdpi-v4) res\drawable-hdpi\app_icon.png Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png Src: (xxxhdpi-v4) res\drawable-xxxhdpi\app_icon.png Type values values\strings.xml Src: () res\values\strings.xml Including resources from package: C:\Users\VictorJohn\Documents\adt-bundle-windows-x86_64-20140702\sdk\platforms\android-21\android.jar applyFileOverlay for draw