DECLARE_DYNAMIC MULCAST_DELEGATE not working

Development Pipeline & Plugins
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1

Hey,

So basically my delegate isn’t working anymore I had to reinstall my pc and used a back up to restore BattleTank and now it’s not working it mightb be cause it asked me to download 4.21.2 instead of 4.21 I had last time in Tank_BP I’m not able to Bind event to OnTankDeath infact it doesn’t show it at all
here’s my code
Tank.h:
// © Neonzz game studios

#pragma once

#include "GameFramework/Pawn.h"
#include "Tank.generated.h"


UENUM()
enum class EHealthState : uint8
{
	Full,
	Half,
	Low,
	OutOfLife
};

DECLARE_DYNAMIC_MULTICAST_DELEGATE(FTankDelegate);

UCLASS()
class BATTLETANK_API ATank : public APawn
{
	GENERATED_BODY()

public:
	// Sets default values for this pawn's properties
	virtual float TakeDamage(float DamageAmmount, struct FDamageEvent const& DamageEvent, AController* EventInstigator, AActor* DamageCauser) override;
	
	UFUNCTION(BlueprintPure, Category = "Health")
	float GetHealthPercent() const;

	UFUNCTION(BlueprintCallable, Category = "Health")
	EHealthState GetHealthState() const;
	
	FTankDelegate OnTankDeath;

protected:
	virtual void BeginPlay() override;

	virtual void Tick(float DeltaTime) override;

	UPROPERTY(BlueprintReadOnly, Category = "State")
	EHealthState HealthState = EHealthState::Full;

private:
	
	ATank();

	UPROPERTY(EditDefaultsOnly, Category = "Setup")
	int32 StartingHealth = 100;

	UPROPERTY(VisibleAnywhere, Category = "Health")
	int32 CurrentHealth;

};