Refuse to open multiple game instances (.exe)

Hi,
Thank you for the answer.
I just implemented the plugin and it’s not really what I want.
When I put it in my “Event init” on the game’s “GameInstance” and run the game a second time, it crashes.
Or did I do something wrong?
When I also launch it, we always see the game open for 1 second then close and display a crash error message.
I just wish the game wouldn’t reappear a second time and crash.

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