It is also only showing on this page for some reason: (in english and french)
https://orb.exchange/entrevue-de-membre/?lang=fr
I tried running your site through the linter at W3 but there was way too many errors to look through.
https://validator.w3.org/
Hope this helps and if I were trying to fix things I’d start by ignoring the ‘warnings’… jump straight to the errors first.