Hello Cécile Clavel,

Thank you for your purchase and apologies for replying a bit later, we don't work on weekends.

Could you please write your tickets in English, as we are afraid something will get lost in translation, and we won't be able to help out properly? Thank you!

There is some conflict with the Divi for the scrolling, but there are two solutions to this. Add this script: 

<script>
 var links = document.getElementsByTagName('a');
 for (var i = 0; i < links.length; i++) {
   if (links[i].href.includes('#')) {
     links[i].classList.add('et_smooth_scroll_disabled');
   }
 }
 document.querySelector('body').classList.remove('et_smooth_scroll');
</script>

to the pages where you have your Amelia shortcode.

Or disable Smooth scrolling in Divi theme options. 

Let me know if this helped!

If you have any other questions or concerns feel free to open a new ticket and we will gladly help out.