Ideally if you can use steps and bullet points so we can follow what happened
For example: If you tried entering your mobile number and that failed or if you got to the credit card field etc.
Sometimes your location can play a part in access to online content. Do you live in a emote area? Or do you use satellite to access the internet?
This browser is severely outdated and most websites WILL NOT run well on this browser.
Please download a more modern browser and try to access the form again.
For example: I also tried accessing the Donation form on my laptop using Firefox but got the exact same error messages.