Key label invalid error when uploading files

[majoranimal]

The "Key label invalid" error is throw when any of the attached files are uploaded.

keyboard-both-hands.json
keyboard-right-hand.json
keyboard-left-hand.json

Traceback (most recent call last):
File "/kicad/src/tasks.py", line 69, in generate_kicad_project
log_path = kicad.new_pcb(task_id, task_request, __update_percentage)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "/kicad/src/kicad.py", line 233, in new_pcb
sanitize_keys(layout["keys"])
File "/kicad/src/kicad.py", line 181, in sanitize_keys
raise RuntimeError(msg)
RuntimeError: Key label invalid: '-2,4' - label needs to follow 'row,column' format, for example '1,2'