As the BOPP application is dependent on our connectivity to the banks there is always the slight chance that one of the banks is experiencing an issue.  If your payment has failed after you authorised it in your bank application it means that unfortunately at that time BOPP could not instruct your payment so please don't worry the money will not leave your account.  

The best thing to do would be to try making the payment again at a later time or alternatively using a different bank account to make the payment from.