There was a bug regarding the scroll to bottom functionality which is fixed in the latest version of the theme which is 6.2.0. You can check the left side of the Changelog to see the report:
You need to follow the Manual Update method to update the theme to version 6.2.0 as it is not available on automatic updates yet. Please backup your website completely and update the theme to version 6.2.0 using the Manual Update section description below:
After that, please follow the troubleshooting steps below: