We’re sorry to hear that you've had a problem pledging but we’re here to help! Please get in touch and we will be happy to assist you and ensure that you can pledge to your chosen case.
To get this issue resolved quickly, we’d be grateful if you could provide our support team with some more information:
(1) Could you please go to the following website to generate a link, which you can then email us to give us information about your browser? Website: https://www.whatsmybrowser.org/
(2) If possible, could you send us the URL of the page and a screenshot of what you're seeing?
(3) Any more details about exactly what you were trying to do and what went wrong e.g. if you saw an error message?