Error using mesh collider

Unity Engine
1

Hi,

I got one error when i added mesh collider to the road in my game…

Can any one please help me in resolving this!!!

Error: Actor::updateMassFromShapes: Compute mesh inertia tensor failed for one of the actor’s mesh shapes! Please change mesh geometry or supply a tensor manually!

2

http://forum.unity3d.com/threads/7823-quot-Actor-updateMassFromShapes-quot-error?highlight=updateMassFromShapes%3A+Compute+mesh+inertia+tensor+failed+actor's+mesh+shapes!+change+mesh+geometry+supply+tensor+manually!