Hello, do you get any error message when you trying to save?

Please try to sign-out and sign-in:

1. open https://peacerevolution.net/ in a separate tab.
2. press Sign-out
3. press Sign-in, fill the email and password fields
4. press Sign-in
5. try to submit your answers on the previous tab

Does it help?

thank you so much Andrii)) I saved it

You are welcome ^__^