Are you seing responses like this?
ErrorCodeAccessDenied/CodeMessageAccess Denied/MessageRequestId
889C9C8DC5E6F054/RequestIdHostId
qP9kff/BDVhsRl2VGPrmanTcCxalXrdxcVwhlUNLUq5jpavHQQYmdHB4HFb2t02j/HostId
/Error
It means the account changed their avatar and your profile image URL is old.
I'm building a Web app that caches tweets and user info from the
streaming API, and then displays all the tweets for a single user. At
times up to 30 or 40 tweets from the same user are displayed on a
page. I've been caching the profile image url I get back from the
streaming API, and then using
