When packaging a project with an Animation Blueprint that uses Sub Anim Instance nodes with exposed variables will fail if the nativize blueprints is enabled with the following error
UnrealBuildTool: E:/Unreal/Tour416/Intermediate/Plugins/Android_ETC1/NativizedAssets/Source/NativizedAssets/Public/MixamoSkeletonAnimationBP__pf3363113452.h(121) : Error: Property has a Category set but is not exposed to the editor or Blueprints with EditAnywhere, BlueprintReadWrite, VisibleAnywhere, BlueprintReadOnly, BlueprintAssignable, BlueprintCallable keywords.
Error Line in Header File:
UPROPERTY(meta=(Category=“SubInstance”, OverrideNativeName="__SUBINSTANCE_Speech Alpha_BE8D4EC9477D7B8B3A87668853C40A7E"))
float bpv____SUBINSTANCE_SpeechxAlpha_BE8D4EC9477D7B8B3A87668853C40A7E__pfT;
UPROPERTY(meta=(Category=“SubInstance”, OverrideNativeName="__SUBINSTANCE_Speech Animation_BE8D4EC9477D7B8B3A87668853C40A7E"))
UAnimSequenceBase* bpv____SUBINSTANCE_SpeechxAnimation_BE8D4EC9477D7B8B3A87668853C40A7E__pfT;