CocoaPods won't load Google-Mobile-SDK. How to solve this problem?

Question

iOS

I am trying to add Google-Mobile-SDK to my Xcode project using CocoaPods. I created a podFile for my project.

Then in this podFile I added this line pod 'Google-Mobile-Ads-SDK'


Then in the terminal I typed cd Desktop / testBanner5. testBanner5 is the name of my project. Then I typed pod install and hit enter. I was expecting this to download the google-mobile-sdk. Instead, he showed me the following:




How can I solve this problem?