There was a problem linking the app.
Corona SDK :2016.3009 (2016.12.21)
macOS :10.12.2 (16C67)
duplicate symbol _OBJC_CLASS_$_GADMRAIDResizeProperties in:
/Users/kinwahcheng/Desktop/Taiwan Lotto Power Free.app/.build/plugin.admob/libGoogleMobileAds.a(flat-armv7)
/Users/kinwahcheng/Desktop/Taiwan Lotto Power Free.app/.build/plugin.google.play.services/libgoogle-play-services.a(GADMRAIDResizeProperties.o)
duplicate symbol _OBJC_METACLASS_$_GADMRAIDResizeProperties in:
/Users/kinwahcheng/Desktop/Taiwan Lotto Power Free.app/.build/plugin.admob/libGoogleMobileAds.a(flat-armv7)
/Users/kinwahcheng/Desktop/Taiwan Lotto Power Free.app/.build/plugin.google.play.services/libgoogle-play-services.a(GADMRAIDResizeProperties.o)
ld: 201 duplicate symbols for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
BUILD ERROR: There was a problem linking the app.