无法导入Xcode中的本地化，无法与助手应用程序通信

I am using macOS High Sierra (beta) and xCode 9 (beta) and trying to work with localization. Anytime I try to import a localized .xliff I get an error that states: Couldn't communicate with a helper application. Try your operation again. If that fails, quit and relaunch the application and try again.I am using macOS High Sierra (beta) and xCode 9