Music library folder names do not work with special characters anymore


I would like find the solution to resolve the issue with special characters.
With the album and song with accent "é’, “è”, ? is displayed from Volumio web interface.
Files are correctly displayed to Windows explorer, TAG are correct; location files is INTERNAL
I don’t undertstand …
I changed locale settings FR-fr UTF8, no change.
do you have an idea about this issue ?

My configuration is Raspberry 4 / 2Go / volumio 3