That error indicates cloudscraper trying to get the page.
That's only going to happen if you don't have browser cache enabled, the
page is older than your browser_cache_age_limit setting, or if the page
wasn't found in your cache.
(You can also set use_browser_cache_only:true to only use browser cache.)
Running in debug mode will tell you more, but if you are certain you're
configured to use cache and have cached the page(s) recently, clearing
your browser cache and trying again might help.