Drupal Twitter & Oauth modules: exception 'TwitterException' with message 'Read-only application cannot POST'
Today, I was trying to get Drupal to automatically announce new posts on Twitter. To do this, I had to install the Twitter and OAuth modules. Following instructions, I created an application on Twitter and linked my Drupal account to it configuring it to announce new posts upon publishing them. However, this did not work as I ran into the following long-winded error message in the logs: