maybe the "path" do not exist in the gfa ?

[peanut-nu]

hello , i do the Minigraph-Cactus successfully and get the file of gfa ,but when i want to use the "pangenome-growth" to get picture,
do this :grep '^P' hprc-v1.0-mc-grch38.gfa | cut -f2 | grep -ie 'grch38' > hprc-v1.0-mc-grch38.paths.grch38.txt.
my code grep '^P' pangenome.gfa.gz | cut -f2 | grep -ie 'che' > paths.txt

• and i my result is zero
• i found it maybe the file of gfa is not exit the "path"?
  -can you help me ?thank you so much!!!
  my file like this
  the example like this