Does crawlee already implement this fingerprint generator?

Reclaiming failed request back to the list or queue. Detected a session error,

Rotation session.

I'm getting this error, trying to figure out why.

Crawlee already uses generator by default.
More info here:
https://crawlee.dev/api/next/browser-pool#changing-browser-fingerprints-aka-browser-signatures

To get more info about error regarding session, try to set logLevel to DEBUG:

https://crawlee.dev/api/next/core/enum/LogLevel#DEBUG
It will log out extra info.