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Crash: Objects have the same fully qualified name but different paths

My situation is as follows:

I have a custom Character class (PWNCharacter extended from ACharacter) and a CharacterStats class (PWNCharacterStats extended from UObject).

CharacterStats is marked as Blueprintable and I've created a Blueprint called "PWNCharacterStatsBP". I've also created a Blueprint of my Character (PWNCharacterBP). The idea is to allow designers to customize a CharacterStats Blueprint and assign it to a character.

To give some more details, In PWNCharacter.h I declare the following:

 // Character Stats
     UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "PWNCharacter", meta = (AllowPrivateAccess = "true"))
     TSubclassOf<class UPWNCharacterStats> CharacterStatsClass;
     UPWNCharacterStats* CharacterStats;

And in PWNCharacter.cpp I create an instance of PWNCharacterStats class as follows:

 // Sets default values
     // Other stuff above
     // Stats - Provide a default value for the class to spawn
     CharacterStatsClass = UPWNCharacterStats::StaticClass();
 void APWNCharacter::OnConstruction(const FTransform & Transform)
     // Spawn CharacterStats
     CharacterStats = NewObject<UPWNCharacterStats>(this, CharacterStatsClass, TEXT("CharacterStats"));

So now in the Editor, on my PWNCharacterBP I assign the PWNCharacterStatsBP to the CharacterStatsClass variable, and as soon as I do that the engine crashes with the following:

 Objects have the same fully qualified name but different paths.
     New Object: PWNCharacterStatsBP_C /Engine/Transient.World_3:PersistentLevel.PWNCharacterBP_C_1.CharacterStats
     Existing Object: PWNCharacterStats /Engine/Transient.World_3:PersistentLevel.PWNCharacterBP_C_1.CharacterStats

Any ideas what's happening here? I've already tried: Deleting Intermediate folder and regenerating VS files Moving the Blueprints to different folders * Deleting the Blueprints and recreating them

Product Version: UE 4.17
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asked Aug 23 '17 at 01:15 AM in Bug Reports

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avatar image AlekseyIlin Dec 25 '17 at 11:01 AM

Has anyone found a solution to this?

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2 answers: sort voted first

Its bug which is fixed in 4.18.1 Bug

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answered Feb 23 '18 at 10:58 AM

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Not fixed, still happening in 4.22

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answered Aug 09 '19 at 05:05 PM

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