Have you tried revoking your current access token, and then re-authenticating? In the settings -> connections page does it show your app as approved for read and write access?
---Mark http://twitter.com/mccv On Fri, Mar 5, 2010 at 1:33 PM, Mike Travers <mtrav...@gmail.com> wrote: > I have an application that has read/write access, which tries to > create friendships. Sometimes this works and sometimes it doesn't. > Ie, when authenticated as mtraven, it works fine, but when > authenticated with the test account mtraven_tunes, I get consistent > errors like this: > > request: /friendships/create.json?screen_name=3QD > Error from Twitter: Read-only application cannot POST > > I have cleared out all of the cookies for both twitter and my app so I > don't think the problem can be a stale authentication token (the app > was originally read-only). > > I'm kind of baffled by this, but perhaps there is some simple > explanation. > The app in question is at http://twitlines.net/blogs > > Thanks, > Mike >