Disk write error (but probably filename too long?) - function to rename folder needed

[AlviseNicoletti]

Can you confirm there is no way to rename folders/filenames in BiglyBT ?

I'm having this error with specific downloads:
Disk write error: flush fails, open fails for '/storage/emulated/0/Download/BiglyBT/FILMNAME.US.1x01-02.ITA.ENG.1080p.AMZN.WEB-DLMux.H.264-Morpheus/FILMNAME.US.1x01.2.sec.dd.nnn.ITA.ENG.1080p.AMZN.WEB-DLMux.H.264-Morpheus.mkv', File not found: /storage/emulated/0/Download/BiglyBT/FILMNAME.US.1x01-02.ITA.ENG.1080p.AMZN.WEB-DLMux.H.264-Morpheus/FILMNAME.US.1x01.2.sec.dd.nnn.ITA.ENG.1080p.AMZN.WEB-DLMux.H.264-Morpheus.mkv: open failed: EACCES (Permission denied)

Is there any solution?
I downloaded with Magnet, maybe I can hack the .torrent to change filenames before starting download?