Pascal,
Try it again after removing the space between - and 1 on each of the following four lines:
-gltLabel 1 yng_complexsyll_vs_simplesyll -gltCode 1 'group : 1*yng syllable : 1*complex - 1*simple' \
-gltLabel 2 old_complexsyll_vs_simplesyll -gltCode 2 'group : 1*old syllable : 1*complex - 1*simple' \
-gltLabel 3 yng_complexseq_vs_simpleseq -gltCode 3 'group : 1*yng sequence : 1*complex - 1*simple' \
-gltLabel 4 old_complexseq_vs_simpleseq -gltCode 4 'group : 1*old sequence : 1*complex - 1*simple' \
Gang