.dts files do not get "execd" they are referenced from datablocks in your scripts.find the file that references barrettm82.dts and see where that one gets run.that should get you pointed in the right direction.
Is this right Is this correct // Basic Item Properties shapeFile = ".barrettm82.dts"; rotate = false; mass = 1; density = 0.2; elasticity = 0.2; friction = 0.6; emap = true;