在我的iOS应用程序中,未定义的符号用于体系结构x86_64

概述试图让我的应用程序为arm64做好准备并更新我的所有pod.我更新了所有pod,但收到此错误,因此应用程序将无法编译. Undefined symbols for architecture x86_64: "_OBJC_CLASS_$_AFHTTPClient", referenced from: objc-class-ref in MYAPP.o "_OBJC_CLASS_$ 试图让我的应用程序为arm64做好准备并更新我的所有pod.我更新了所有pod,但收到此错误,因此应用程序将无法编译.

Undefined symbols for architecture x86_64:  "_OBJC_CLASS_$_AFhttpClIEnt",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_AFJsONRequestoperation",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_AFNetworkActivityIndicatorManager",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKAttributeMapPing",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKEntityMapPing",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKErrorMessage",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKManagedobjectStore",referenced from:      objc-class-ref in MYAPP.o      objc-class-ref in NSManagedobject+ActiveRecord.o  "_OBJC_CLASS_$_RKObjectManager",referenced from:      objc-class-ref in MYAPP.o      _OBJC_CLASS_$_STObjectManager in STObjectManager.o      objc-class-ref in NSManagedobject+EasyFetching.o  "_OBJC_CLASS_$_RKObjectMapPing",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKRelationshipMapPing",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKRequestDescriptor",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKResponseDescriptor",referenced from:      objc-class-ref in MYAPP.o  "_OBJC_CLASS_$_RKRoute",referenced from:      objc-class-ref in MYAPP.o

解决方法 有几件事可能会解决这个问题：

>检查以下项目的工作空间/构建设置和窗格/构建设置：体系结构,仅构建活动体系结构,有效体系结构.所有三个都应该在两个工作区之间匹配.>尝试清洁(CMD-Shift-K)并清洁构建文件夹(CMD-Option-Shift-K).

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