Packaging error

Sorry for the late answer.

Sure.

  1. Make a blank new project (no starter content needed)
  2. Create 2 c++ classes BaseStat (UObject) and StatBlock (UActorComponent)

Source BaseStat.h:

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "Object.h"
#include "BaseStat.generated.h"


/**
*
*/
UCLASS(Blueprintable, BlueprintType, ClassGroup = (Custom), EditInlineNew, NonTransient, WithIn = StatBlock)
class TESTPROJECT3_API UBaseStat : public UObject
{
	GENERATED_BODY()
public:
	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "StatDetail")
		float TestValue;
};

Source BaseStat.cpp:

// Fill out your copyright notice in the Description page of Project Settings.

#include "TestProject3.h"
#include "BaseStat.h"