[!] CocoaPods could not find compatible versions for pod "MobWithAD": In Podfile: MobWithAD (= 1.2.4)None of your spec sources contain a spec satisfying the dependency: `MobWithAD (= 1.2.4)`.You have either: * out-of-date source repos which you can update with `pod repo update` or with `pod install --repo-update`. * mistyped the name or version. * not added the source repo that hosts the Pod..