The site recently was moved and not all functionality has been restored. As a work around, I suggest googling your terms in quotation marks and include [ site:forums.shadowruntabletop.com ].
As far as an errata pdf, Catalyst hasn't produced one in a handful of years. The closest thing that comes to mind regarding your inquiry would be Patrick Goodman's errata. I'll dig that up in a bit. I'm unsure if it has the Fading changes on it atm.