Tweetable

I’m having problems with registering Tweetable. I’ve followed the whole process, i have a Twitter account, everything is fine till after i’ve accessed Twitter and then given a pin number. The screen asks me to go back to my site, but when i go to the Tweetable settings page on WordPress, i’m asked to login to Twitter again, ending up in a loop! I cant figure out how to get out of it, can anyone help?