The map keeps reloading after firing some projectiles,the map keeps reloading

hello everyone, i am a amateur at UE4, the problem i am experiencing is that after firing some projectiles the map reloads, i am attaching level blueprint here, if any one wants more blueprints please mention. thank u

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Hi Killerbillion,

After looking into your image, I have determined that this is not a bug. Your killz overlap is set to reset the level any time an object overlaps it. As such, each time a projectile overlaps the killz, it is firing your open level script. This is acting exactly as expected. Please take a look here for additional assistance with blueprint communications, specifically casting:

https://docs.unrealengine.com/latest/INT/Engine/Blueprints/UserGuide/CastNodes/