Error "Blueprint Runtime Error"

[QuantumGames (ㅤQuantum Gamesㅤ)]

Hello! I have an error. Blueprints:

error when im shooting:
Uploading: Снимок экрана 2023-09-21 211436.png…

I would be very grateful if you could help me.

[QuantumGames (ㅤQuantum Gamesㅤ)]

Error: Blueprint Runtime Error: “Accessed None trying to read property GunRef”. Node: Set GunRange, ShootGraph; Graph: Event Graph; Function: Execute Undergraph BP Character; Blueprint: BP Character.
Unreal Engine version - 5.3.0

[Quetzalcodename]

Hey @QuantumGames! Welcome to the forums!

You will need an interface or a cast to communicate between blueprints. Check out this non-Epic affiliated blueprint on blueprint communication:

Unreal Engine 5 Advanced Blueprints Tutorial - Blueprint Communication in UE5

[QuantumGames (ㅤQuantum Gamesㅤ)]

Thank you!