Error: “The sandbox is not in sync with the Podfile.lock…” after installing RestKit with cocoapods

Question

I\'ve encounter an strange issue after installing RestKit with cocoapods. after resolving RestKit dependency for my project with cocoapods and trying to build it, I face thi

Answer 1

The steps that worked for me (XCode 8.3.3/XCode 9 beta with a Swift 3.1 project)

 - Navigate to your project directory
 - pod install //which then asks you to do the next step
 - pod repo update //takes a while to update the repo
 - pod update
 - pod install
 - Close Xcode session
 - Open and Clean the project
 - Build/Run

Also make sure you open the .xcworkspace file rather than the project file (.xcodeproj) when working with pods. That should solve any errors with linking such as "Apple Mach -O Linker command failed"