"No relationship command found" error for Flex method

I am attempting to build a flex model with my own geometry and I am coming upon the following error. I think I am following the demonstrations but perhaps I am missing something subtle. Thank you.

PinFin_Pull.txt (2.0 KB)
PinFin.jou (1.1 KB)

I have resolved this particular error. It involved an incorrect name placed in the material name callout after the material desired was named at the beginning of the job script.