BIOS directory cannot be set

i cannot set a BIOS directory. the Preferences\Storage menu allows me to select one, but it never saves, and always stays unset, leaving me unable to play anything that requires one. i do have the required BIOS saved in the directory i am trying to set.

output of lutris --submit-issue: https://paste.cachyos.org/p/f234a44.json
output of lutris -d: https://paste.cachyos.org/p/1b17e26.txt

new users can only post two links. here is the in-app output log that appears when trying to launch the game: https://paste.cachyos.org/p/94f1b6b.txt