title: what this mean "Code 220 Your credentials do not allow access to this resource."
body: <p>I had program an PHP site with twitter api. for a time it was working will but today it show me this error: </p>
  
  <p>I'm trying to add a tweet via '1.1/statuses/update' and my app is configured for both read and write operations.</p>
  
  <blockquote>
    <p>["code"]=>
        int(403)
        ["response"]=>
        string(92) "{"errors":[{"code":220,"message":"Your credentials do not allow access to this resource."}]}"</p>
  </blockquote>
  
  <p>what are the most problem cost this error?</p>