Non-convex MeshCollider with non-kinematic Rigidbody is no longer supported in Unity 5.

Non-convex MeshCollider with non-kinematic Rigidbody is no longer supported in Unity 5.
If you want to use a non-convex mesh either make the Rigidbody kinematic or remove the Rigidbody component. Scene hierarchy path "Player", Mesh asset path "Assets/Models/vehicle_playerShip_collider.FBX" Mesh name "player_ship_collider"

 

convex 打上勾即可