Sometimes things don't go to plan and transactions can populate error messages, find out what the error message means and how to resolve it. Cancelled after 15 mins of inactivity Find out what this error message means and common causes Find out more An error occurred Find out what this error message means and common causes Find out more Frequently asked questions 3D Secure v2 - what do customers need to do? Find out more Test card details for your test transactions Find out more Where to find an account reference number? Find out more Load more FAQs