Undefined symbols for architecture x86_64 Swift Xcode
The error code from my compiler Undefined symbols for architecture x86_64: "_OBJC_CLASS_$_GTMOAuth2KeychainCompatibility", referenced from: objc-class-ref in GoogleSignIn(GIDAuthStateMigration_bdf842e92d17b12b5f020e0e721bd017.o) "_OBJC_CLASS_$_OIDServiceConfiguration", referenced from: objc-class-ref in GoogleSignIn(GIDSignIn_f05654be6d1b2af59ab6df426a0c4eb9.o) "_OIDResponseTypeCode", referenced from: -[GIDSignIn authenticateInteractivelyWithOptions:] in GoogleSignIn(GIDSignIn_f05654be6d1b2af59ab6df426a0c4eb9.o) "_OBJC_CLASS_$_OIDAuthorizationService", referenced from: objc-class-ref in GoogleSignIn(GIDAuthentication_7b83cc27af8929ec7e4c9760d73a0f31.o) "_OBJC_CLASS_$_OIDURLQueryComponent", referenced from: objc-class-ref…