error on line 1 at column 2: Start tag expected, '<' not found

[mingxues2024]

Hi!
I am trying to get svg file for my gbk file, but there is always something wrong with my data,

"python2 ArrowerSVG.py results_family_new2/gbk_files/C16_megahit_4360436.region001.gbk -S 100 > arrow_bgc/C16_megahit_4360436_region001.svg"
Something happened on the website like:

This page contains the following errors:
error on line 1 at column 2: Start tag expected, '<' not found
Below is a rendering of the page up to the first error.