I get a lot of errors like this in the output log:
"
LogTemp: Warning: Could not find , cutting down to smallest identifier.
LogTemp: Error: Could not find texture for VMT asphalt/asphalt_b, aborting creation of material
LogTemp: Warning: Could not find , cutting down to smallest identifier.
LogTemp: Error: Could not find texture for VMT asphalt/asphalt_b1, aborting creation of material
LogTemp: Warning: Could not find , cutting down to smallest identifier.
LogTemp: Error: Could not find texture for VMT asphalt/asphalt_b1_blend, aborting creation of material
LogTemp: Warning: Could not find , cutting down to smallest identifier.
LogTemp: Error: Could not find texture for VMT asphalt/asphalt_b2, aborting creation of material
"