Xcode 9 GM - WKWebView NSCoding支持在以前的版本中被破坏

Does anyone know how to fix this error with Xcode 9 GM? I'm working on an app made with Xcode 8.3, the deployment target is for iOS 9.3 and I never had this problem before. I don't find any information here or on Apple forums yet :( Does anyone know how to fix this error with Xco