are your clients and server all running the same, latest version?
note this has nothing to do with catalog caching, not sure why you called your post that. Clearly you won't cache a catalog if you can't even get it in the first place.
note that if you actually search for that error on Google, you get a LOT of good results... did you read them before posting?
Last edited by acid_kewpie; 06-04-2013 at 07:25 AM.