[!] ‘KakaoOpenSDK’ uses the unencrypted ‘http’ protocol to transfer the Pod. Please be sure you’re in a safe network with only trusted hosts.
Otherwise, please reach out to the library author to notify them of this security issue.
오류는 아니고, iOS KakaoOpenSDK framework 를 CocoaPods에 제공하는 url의 프로토콜이 https 가 아니라는 경고입니다.