After solving couple of times the "500 Internal Server Error" problem as described in a previous post, I received another complaint from one of my clients I host: "I also cannot save the articles and here is the error I got 500 - An error has...
It seems that module parameters haven't been configured properly. Please make sure that you are using a valid twitter username, and
that you have inserted the correct keys. Detailed instructions are written in the module settings page.