LineageOS custom recovery- how to clear/wipe cache partion?

[bibiii79]

Hello Guy's, i have the instantnoodlep rom lineage 18.1 unoficial, with lineage custom recovery.
Question:
- How to format/wipe the cache partion from fastboot? I tried the command: " fastboot format cache " but i get an error...
any ideeas?

 

[StampedeLoader]

Double that, I can't find any wipe section in this recovery. and I can't boot twrp, even with the SDK platform tools.