Can't use with Lilypond 2.24.3 on macOS

[Kernald]

Trying to use this module on macOS, I get the following error:

$ lilypond -I ../../../ beethoven--beethoven-opus-10-3.ly 
GNU LilyPond 2.24.3 (running Guile 3.0)
Fontconfig error: Cannot load default config file: No such file: (null)
Fontconfig error: Cannot load default config file: No such file: (null)
Fontconfig error: No writable cache directories
Fontconfig error: No writable cache directories
Fontconfig error: No writable cache directories
Fontconfig error: No writable cache directories
Fontconfig error: No writable cache directories
warning: cannot find fontconfig default config, skipping.
Fontconfig error: No writable cache directories
Processing `beethoven--beethoven-opus-10-3.ly'
Parsing...

oll-core: library infrastructure successfully loaded.
../../../notation-fonts/__init__.ily:81:2: error: Guile signaled an error for the expression beginning here
#
 (let*
format: bad destination `~a' "-11.~a"
beethoven--beethoven-opus-10-3.ly:6:1: warning: 
Trying to access non-existent option: global.installed-fonts.otf


\useNotationFont Beethoven
srfi/srfi-1.scm:740:21: In procedure find-tail:
In procedure car: Wrong type argument in position 1 (expecting pair): #f

Trying to use them in my own code results with the same issue.