coliider

Ok im having troubles with the collider and material.i have made a tunnel in 3ds max and put it in unity but its bright and yellow also i just fall through it any help.check the pic and tell me whats wrong.
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from the screenshot it looks like you have the mesh collider on the terrain GO, not your tube/tunnel.

I say this becuase although I can’t see what you’ve highlighted in the Hierarchy view, I can see both a terrain collider and a mesh collider in the inspector. It shouldn’t have both.

Alright i got it thanks.But to apply a texture i cant get my texture to show up like i made it in photoshop then exported out of dxt as dxt1 and then put in unity but it wont show why.