It looks like ffnet has increased their Cloudflare blocking level again.
As far as I know, there isn't anything more we can do in FFF than there was the last time this happened.
I suggest reviewing these resources:
FAQ:
https://github.com/JimmXinu/FanFicFa...-fanfictionnet
Browser Cache Feature:
https://github.com/JimmXinu/FanFicFa...erCacheFeature
Browser Proxy (third party):
https://github.com/nsapa/fanfictionnet_ff_proxy