The gamitg command returns an as below.
Error: in eye_m, size vector is too long
-error->eye(a)
line 158 of file .//gamitg.sci
Error in body evaluation of function gamitg (file './/gamitg.sci')
-error->gamitg(P1,r)
I would guess there is an eye(a) error where there should have been eye(size(a)).