I got the same error as yesterday, although it doesn't really register as an error, but I don't know what else I should call it.
I've attached images of what I see and here's the string copied directly from my PI.
[Defaults]
browser_cache_path:C:\Users\name\AppData\Local\Goo gle\Chrome\User Data\Default\Cache
[
www.fanfiction.net]
use_browser_cache:true
browser_cache_age_limit:4.0
Here's the story link:
https://www.fanfiction.net/s/10551226/1/
I don't know if it makes a difference, but the URL is from inside an txt-file and not from the Ids column in Calibre.