Ошибка сборки после дезинтеграции Cocoapods

Question

Я следовал следующему руководству: Как удалить CocoaPods из проекта? , потому что мой подфайл доставлял мне много хлопот.Теперь я получаю это сообщение об ошибке и понятия не имею, что происходит

Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_RCTEventEmitter", referenced from:
      _OBJC_CLASS_$_RCTLinkingManager in libRCTLinking.a(RCTLinkingManager.o)
  "_OBJC_METACLASS_$_RCTEventEmitter", referenced from:
      _OBJC_METACLASS_$_RCTLinkingManager in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTRegisterModule", referenced from:
      +[RCTLinkingManager load] in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTErrorUnspecified", referenced from:
      -[RCTLinkingManager openURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTRunningInAppExtension", referenced from:
      -[RCTLinkingManager canOpenURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTSharedApplication", referenced from:
      -[RCTLinkingManager openURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
      -[RCTLinkingManager canOpenURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
  "_OBJC_CLASS_$_RCTRootView", referenced from:
      objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture x86_64
Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_RCTEventEmitter", referenced from:
      _OBJC_CLASS_$_RCTLinkingManager in libRCTLinking.a(RCTLinkingManager.o)
  "_OBJC_METACLASS_$_RCTEventEmitter", referenced from:
      _OBJC_METACLASS_$_RCTLinkingManager in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTRegisterModule", referenced from:
      +[RCTLinkingManager load] in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTErrorUnspecified", referenced from:
      -[RCTLinkingManager openURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTRunningInAppExtension", referenced from:
      -[RCTLinkingManager canOpenURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
  "_RCTSharedApplication", referenced from:
      -[RCTLinkingManager openURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
      -[RCTLinkingManager canOpenURL:resolve:reject:] in libRCTLinking.a(RCTLinkingManager.o)
  "_OBJC_CLASS_$_RCTRootView", referenced from:
      objc-class-ref in AppDelegate.o
ld: symbol(s) not found for architecture x86_64