i am trying to convert my models color and specular map but when i do i get this error:

Converting 1 assets, reason: 'missing cashe entry'
Converting 'mtl_van' <material 2 of 1>...

ERROR: "C:\Program Files <x86>\Steam\steamapps\common\Call of Duty World at War\material_source\mtl_van" doesn't have surfacetype set in Asset Manager

ERROR: file 'raw/materials/mtl_van' was generated, but is 0 size <deleting>.
aborting...
Converting 1 assets, reason: 'entry changed'
Converting 'mtl_van' <material 2 of 1>...

ERROR: "C:\Program Files <x86>\Steam\steamapps\common\Call of Duty World at War\material_source\mtl_van" doesn't have surfacetype set in Asset Manager

ERROR: file 'raw/material_properties/mtl_van' was generated, but is 0 size <deleting>.
aborting...

Conversion failed with 2 errors. Hit key to continue.

both images are .dds and are comming from my root/raw/images
any ideas???

Set the surfaceType as <none> or whichever surface fits the texture the best.

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that's the thing it isn't set to none it is set to metal and i tried every other surface type as well and it still says that