Error on pod install

Question

I have a working project the uses a pod file for some weeks now. When I learned that some of my pods have update I tried to \'pod install\' on got this weird error

Answer 1

You need to fix permissions and files owner

$ sudo chown -R user ~/Library/Caches/CocoaPods
$ sudo chown -R user ./Pods
$ sudo chown -R user ./Podfile.lock
$ sudo chmod -R 777 ./Pods

$ pod update/setup