Onebox Twitter error

When pasting a Twitter (tweet) url into a post, Onebox fails to parse the tweet. We get the following error:

Any help would be much appreciated!

We’re running version 1.9.0.beta2 +73

Also… pasting a twitter link into a post HERE results in proper Onebox parsing - but the same link pasted into a post on our board does not (www.philliesphans com). See below:

Please update to latest, that version is very old and full of know bugs.