C:\Program Files\Unity\Editor\Data\il2cpp/build/il2cpp.exe did not run properly!

Unity Engine
,
2

You have undefined references GADURelease, GADUCreateSmartBannerView, GADUCreateBannerView and so on (see your log). Take a look at this post on how to solve them: Build - IL2CPP errors - Please, how fix it? page-4#post-5333640