This does not seem to be a Feedzirra issue, IMO.
Your libxml or nokigiri dependencies may not be up-to-date. Update these gems and try again.
Like mentioned here, encoding detection is not 100% accurate.
If you'd like to ignore the ones which give you errors,
Feedzirra has callback functions
Another feature present in Feedzirra is the ability to create callback
functions that get called “on success” and “on failure” when getting a
feed. This makes it easy to do things like log errors or update data
stores.
Also, please give us more context on what code gives you the error or which file are you trying to parse.
This does not seem to be a Feedzirra issue, IMO. Your libxml or nokigiri dependencies may not be up-to-date. Update these gems and try again.
Like mentioned here, encoding detection is not 100% accurate.
If you'd like to ignore the ones which give you errors, Feedzirra has callback functions
Also, please give us more context on what code gives you the error or which file are you trying to parse.