Hello, I made a tunnel in blender but when i try to walk through it in unreal i can’t. Its like there is a wall. Please help me 
It has a box collision. Turn the collision off, and you can place some simple block collision on the sides.
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Hi! It seems like you’re dealing with a mesh collision snag. In Blender, make sure the tunnel’s mesh is hollow. In Unreal, check collision settings, use “Complex Collision” or adjust collision shapes. If still stuck, try reimporting with proper collision settings. Hope it will help you!