Come correggere errore su avvio rom?

[Lucatort]

Alcune rom non partono pur avendo versioni adeguate ai vari mame
Log errore retroarch

WARN] --libretro argument "/usr/lib/libretro/mame_libretro.so" is neither a file nor directory. Ignoring.
[INFO] === Build =======================================
[INFO] Funzionalità: NEON VFPv3 VFPv4
[INFO] Built: Jan 30 2022
[INFO] Version: 1.9.8
[INFO] =================================================
[INFO] [Input]: Found input driver: "udev".
[ERROR] [Core]: Frontend is built for dynamic libretro cores, but path is not set. Cannot continue.
[ERROR] Errore irreversibile ricevuto in: "init_libretro_symbols()"
[INFO] [Core]: Content ran for a total of: 00 hours, 00 minutes, 00 seconds.
[INFO] [Core]: Unloading core symbols..
[INFO] [Video]: Does not have enough samples for monitor refresh rate estimation. Requires to run for at least 4096 frames.

Come si può correggere? Da cosa dipende?

[Zing]

@lucatort

https://www.youtube.com/watch?v=skeULeTu7p8&list=PL2oNQ0AT7fx2ExiSNrfHUzga5GnogI4sh&index=33&ab_channel=Recalbox