One of the WooCommerce template over-rides currently in the theme is still at version 2.6.0, while the current version of WooCommerce is up to 3.2.0. Fortunately, there was only a fairly minor change required to bring that over-ride back up to date, but I had to go find the 2.6.0 version on the WC github repo in order to figure out which bits were out of date.
I'm currently discovering that this theme is lacking support for several key features of Sensei. I'm finding myself making more changes to the theme than I would like, in order to get access to those features.
Also note that the
Don't expect this to be a turnkey solution for your website. I'm really disappointed so far.