Just attempted to renew an RPS and encountered the following error when the ovh site redirects to Barclays ePDQ (for credit card payments)
Sorry, there has been a problem processing your payment.
Not a valid allowed URL
(Text is displayed by the Barclays ePDQ website)
As this may be a general fault, I haven't started a private ticket yet. I will try again tomorrow and open a new ticket if it's still not working.