When I proceed with my online registration I can not move onto the next step, the page gets “hungup”

When I proceed with the payment by credit card, it appears a message saying that my credit card is not a valid one

The system does not let me enter the dates of my travel

I have proceeded with my registration but I have not received the certificate in my Email

I have received the certificate but it is incorrect

What does the OnCampus insurance Estudia serve for?

How do I use the insurance if necessary?

What should I do if I need medical care?

What does it happen if in my destination place there is no associated medical centre?

I needed urgent medical care and I couldn’t call the insurance company before. What shall I do now?