[Error] => {"errors":[{"message":"Invalid or expired token","c

I am unable to set up the auto poster with my Twitter app. I have followed the instructions and have read / write access for both the OAuth and token settings but keep getting the following error when trying to submit a test tweet –

Array
(
[pgID] =>
[isPosted] => 0
[pDate] => 2013-04-06 10:32:48
[Error] => {“errors”:[{“message”:”Invalid or expired token”,”code”:89}]}

Here’s a screen shot of my settings –

Please can someone help?

https://www.ads-software.com/extend/plugins/social-networks-auto-poster-facebook-twitter-g/