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Packageing Failed: Undefined symbols for architecture arm64

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    Packageing Failed: Undefined symbols for architecture arm64

    Hi, im try to package my Blueprint project on Mac (10.14.3) for IOS (developer and shipping too), but im get this error:

    Undefined symbols for architecture arm64:
    "_OBJC_CLASS_$_ARBodyAnchor", referenced from:
    objc-class-ref in Module.AppleARKit.cpp.o
    "_OBJC_CLASS_$_ARMatteGenerator", referenced from:
    objc-class-ref in Module.AppleARKit.cpp.o
    "_OBJC_CLASS_$_ARBodyTrackingConfiguration", referenced from:
    objc-class-ref in Module.AppleARKit.cpp.o
    "___isPlatformVersionAtLeast", referenced from:
    FAppleARKitConversion::InitImageDetection(UARSessionConfig*, ARWorldTrackingConfiguration*, TMap<FString, UARCandidateImage*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, UARCandidateImage*, false> >&, TMap<FString, CGImage*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, CGImage*, false> >&) in Module.AppleARKit.cpp.o
    FAppleARKitConversion::ToARConfiguration(UARSessionConfig*, TMap<FString, UARCandidateImage*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, UARCandidateImage*, false> >&, TMap<FString, CGImage*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, CGImage*, false> >&, TMap<FString, UARCandidateObject*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, UARCandidateObject*, false> >&) in Module.AppleARKit.cpp.o
    FAppleARKitConversion::InitImageDetection(UARSessionConfig*, ARBodyTrackingConfiguration*, TMap<FString, UARCandidateImage*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, UARCandidateImage*, false> >&, TMap<FString, CGImage*, FDefaultSetAllocator, TDefaultMapHashableKeyFuncs<FString, CGImage*, false> >&) in Module.AppleARKit.cpp.o
    FAppleARKitConversion::ConfigureSessionTrackingFeatures(UARSessionConfig*, ARConfiguration*) in Module.AppleARKit.cpp.o
    FAppleARKitConversion::IsSessionTrackingFeatureSupported(EARSessionType, EARSessionTrackingFeature) in Module.AppleARKit.cpp.o
    FAppleARKitConversion::ToARPose2D(ARBody2D const*) in Module.AppleARKit.cpp.o
    FAppleARKitConversion::ToARPose3D(ARSkeleton3D const*, bool) in Module.AppleARKit.cpp.o
    ...
    ld: symbol(s) not found for architecture arm64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    Took 49.997502s to run mono, ExitCode=5
    Project work on android.

    Any help?
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