After more tests, everything works fine on my side, even with a file/folder named like your. I was able to reproduce by first running:
export LANG=C
(before the value was fr_FR.UTF-8)
(credits to https://stackoverflow.com/a/39843086/534773)
I suggest you check your environment variables LC_* / LANG values, and possibly change them to en_US.UTF-8 before running the SQ analysis.