Occurs when attempting to create a token
Callback URLoption in “Settings” tab at https://apps.twitter.com match exactly the following:
Keys and Access Tokenstab at https://apps.twitter.com)
Keys and Access Tokenstab, click
Regenerate Consumer Key and Secret. Create a new token using the new key and secret.
Occurs when attempting to create a token (using in-browser authorization method)
Occurs when sending request to Twitter API. It means you have invalid or expired keys stored in access token.