I'll try both of those things. Thank you.

I recently downloaded the Blender Source Tools in the hopes of exporting a model for use in a Team Fortress 2 map. Exporting as a DMX works fine, but every time I try to export as an SMD, I am met with the following error.

https://lh6.googleusercontent.com/-30FqN_iPQa4/VNuWHmNPs_I/AAAAAAAAAEo/mf2Pl0rRD5M/w984-h553-no/blendererror.png

Am I doing something wrong?