Keep getting a 505 error when trying to update our barclaycard?

Hello Infor-johnphilipc, 

Welcome to the Community page, 

If you could please reach out to us on either Facebook or twitter with a PM/DM with the issue and the email address linked to your account we can then check in the system what it is saying for you so we can help get it all resolved for you. 

Facebook https://www.facebook.com/QuickBooksUK

Or 

Twitter https://twitter.com/QuickBooksUK

Thanks