WP Form error when using translated pages

WP Forms are not working on my site on translated pages. The forms are working on the original english version but the translated ones are not working. No email notification or confirmation message appears as it should when the form is sent. See https://www.passporteng.com/es/conversation and https://www.passporteng.com/conversation for comparison.

The page I need help with: [log in to see the link]