J tech laser and inkscape

I attempted just the letter A, and went to apply and get a G code. I get this message. What am I doing wrong? Also directory field was blank

Traceback (most recent call last):
File “laser.py”, line 3173, in
e.affect()
File “C:\Program Files\Inkscape\share\extensions\inkex.py”, line 268, in affect
self.effect()
File “laser.py”, line 3170, in effect
self.laser()
File “laser.py”, line 3032, in laser
self.check_dir()
File “laser.py”, line 2554, in check_dir
if self.options.directory[-1] not in ["/","\"]:
IndexError: string index out of range